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73 Cards in this Set
- Front
- Back
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What is the definition of a Point?
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Location in space with no dimensions of width or thickness
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How do you label a "Point"
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An UPPERCASE letter
Example B or Point B |
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What is the definition of a Line?
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A set of point with no beginning or end; one dimensional - length only
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How do you label a Line?
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Two points or one lower case script letter
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What is the definition of a Plane?
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Flat surface extending indefinitely in all directions; two dimensional (length and width only no thickness)
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Unit 1
How do you label a Plane? |
Three non-collinear points or an uppercase script letter.
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What is the definition of Collinear?
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Points that lie on the same line
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What is the definition of Coplanar?
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Points that lie in the same plane
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What is the definition of intersect?
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Where 2 things touch or cross each other
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Two lines intersect at a ________?
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Point
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Two planes intersect at a ________ ?
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Line
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A line and a plane intersect at a ______?
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Point
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What is the definition of a line segment?
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PART of a line that consists of two points called endpoints and all points in between them (endpoints are on the ends of the line segment).
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How do you label a line segment?
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A and B are the endpoints of the line segment
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How do you label the measure of a line segment?
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Using two points with nothing over the letters.
Example AB |
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What is the difference between Congruent and Equal?
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Segments or Angles are Congruent
The MEASURES of the segments or angles are equal |
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What is the distance formula? (used to find the distance or length of a segment)
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What is the midpoint formula?
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What is the definition of a Ray?
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part of a line that has one endpoint and extends indefinitely in one direction
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How do you label a Ray?
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What are opposite Rays?
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Two rays pointing in opposite directions - 2 opposite rays for a straight line
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How do you label an angle?
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Using 3 points - the vertex must be the middle letter
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What is an angle bisector?
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A ray that divides an angle into two equal angles
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What is a vertex?
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the corners of any shape
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What is a right angle?
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A 90 degree angle
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What is an acute angle?
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An angle that is smaller than 90 degrees
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What is an obtuse angle?
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An angle that is larger than 90 degrees
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What are adjacent angles?
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two angles that have a common vertex and a common side
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1) What is a linear pair of angles?
2) How are the linear pair related? |
1) a pair of angles with non common sides that are opposite rays - they form a straight line
2) the sum of the two angles in 180 degrees |
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1) What are vertical angles?
2) How are vertical angles related? |
1) two nonadjacent angles formed by two intersecting straight lines
2) vertical angles are equal to each other |
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What are complementary angles?
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What are perpendicular lines?
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two lines that intersect to form a right angle (90 degrees)
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What symbol represents two lines are perpendicular?
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What do we know about the slopes of perpendicular lines?
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They are negative reciprocals of each other
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What are Parallel Lines?
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Lines that never touch each other
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What symbol do we use to show two lines are parallel?
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What is the definition of a polygon?
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closed figure formed by a finite number of coplanar segments called sides (a shape with at least three sides)
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What is the name of a 3 sided polygon?
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Triangle
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What is the name of a 4 sided polygon?
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Quadrilateral
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What is the name of a 5 sided polygon?
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Pentagon
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What is the name of a 6 sided polygon?
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Hexagon
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What is the name of a 7 sided polygon?
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Heptagon
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What is the name of an 8 sided polygon?
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Octagon
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What is the name of a 9 sided polygon?
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Nonagon
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What is the name of a 10 sided polygon?
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Decagon
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What is the name of a 11 sided polygon?
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Hendecagon
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What is the name of a 12 sided polygon?
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Dodecagon
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What is the name of a polygon with n number of sides?
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n-gon
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What is a equilateral polygon?
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A polygon with all sides congruent
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What is an equiangular polygon?
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A polygon with all angles congruent
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What is a concave polygon?
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A polygon whose sides when extended to not go through the middle of the polygon
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What is a convex polygon?
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A polygon whose sides extended goes through the middle of the polygon
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What is the Perimeter of a polygon?
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The sum of the lengths of the sides
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What is the Area of a polygon?
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The number of square units needed to cover a surface
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What is the formula to find the Area of a rectangle?
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A = Length x Width
A=lw |
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What is the formula for the Area of a triangle?
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A = 1/2 x base x height
A=1/2bh |
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What is the formula for the Circumference and Area of a circle?
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What is a polyhedron?
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A 3-dimensional solid with all flat surfaces
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What is a Prism?
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What is a Pyramid?
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What is a Cylinder?
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What is a Cone?
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What is a Sphere?
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What is a regular Polyhedron?
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All faces are regular congruent polygons and all of the edges are congruent
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What is the name of this polyhedron?
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Triangular Prism
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What is the name of this polyhedron?
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Rectangular Prism
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What is the name of this polyhedron?
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Pentagonal Prism
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What is the name of this Polyhedron?
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Triangular Pyramid
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What is the name of this polyhedron?
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Pentagonal Pyramid
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What is the x-axis and y-axis of a coordinate plane?
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The horizontal axis is the x-axis
The vertical axis is the y-axis |
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What is the Pythagorean Theorem?
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This is used to find the length of a missing side of a right triangle
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What is slope-intercept form of an equation?
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y = mx + b
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What do we know about the slopes of parallel lines?
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They are the same slope
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