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76 Cards in this Set

  • Front
  • Back
A ______________ has pairs of opposite sides that are equal in length and opposite angles are also equal.
Hint: My name starts with "p" .
parallelogram
A _________ has 4 equal sides but the opposite angles are the same size.
Hint: My name begins with "r".
rhombus
______________ are lines that run straight up and down, like a ladder.
Hint: it begins with a "v"
VERTICAL LINES run straight up and down. Parallel lines can run in any direction as long as they do not intersect.
A _________ has 2 pairs of equal sides and each pair is a different length. They also have 4 right angles.
rectangle
A quadrilateral with only one pair of opposite sides that are parallel is called a ________.
Hint: My name begins with "t".
trapezoid
A ______ has four equal sides and 4 right angles.
square
________ lines are lines that meet from one corner to another.
diagonal
Does an acute angle measure less than or more than 90 degrees?
An acute angle measures LESS THAN than 90 degrees?
Does an OBTUSE angle measures less than or more than 90 degrees?
An OBTUSE angle measures MORE THAN 90 degrees?
A right angle measures _____ degress.
A right angle measures 90 degress.
A straight angle measures ______ degress.
A straight angle measures 180 degress.
What type of angle is this?
an acute angle
What type of angle is this?
an obtuse angle
What type of angle is this?
a straight angle
What type of angle is this?
a right angle
If a line can be drawn through a set of points, the points are ___________.
collinear
If no line can be drawn through a set of points, the points are _____________.
noncollinear
Parallel lines are lines in the same plane that do/do not intersect.
Parallel lines are lines in the same plane that DO NOT INTERSECT.
What is my name?
an angle
What is my name?
a line
What is my name?
right angle
What is my name?
a ray
What is my name?
perpendicular lines
What is my name?
a line segment
Angles are measured in ______?
degrees
An angle is made of of 2 endpoints and a common _______
vertex
Lines that intersect to form right angles are called ____________.
perpendicular
My angle is 90 degrees.
What type of angle am I?
I am called a:

right triangle
My angle less than 90 degrees.

What type of angle am I?
I am called an:

acute angle
My angle is greater than 90 degrees but less than 180 degrees.

What type of angle am I?
I am called an:

obtuse angle
All of the angles of my triangle are equal.

What type of triangle am I?
I am called an:

equiangular triangle
The sides of my triangle are equal.

What type of triangle am I?
I am called an:

equilateral triangle
I have three congruent sides in my triangle.

What type of triangle am I?
I am called an:

equilateral triangle
I have at least two congruent sides in my triangle.

What type of triangle am I?
I am called an:

isosceles triangle
I have no congruent sides in my triangle.

What type of triangle am I?
I am called a:

scalene triangle
I have three acute angles.

What type of triangle am I?
I am called an:

acute angle
I have one obtuse angle.

What type of triangle am I?
I am called an:

obtuse triangle
I have one right angle.

What type of triangle am I?
I am called a:

right triangle
Segments that have the same length are called ________ segments.
congruent segments
Angles that have the same size are called ________ angles.
congruent angles
I am used to measure angles.

What am I?
I am called a:

protractor
Sides that have the same length are called ________ sides.
congruent sides
I am a closed plane figure formed by three or more line sements.

What am I?
I am called a:

polygon
A ________ is a tool used to measure and draw angles.

What am I?
protractor
Both pairs of opposite sides are parallel. I do not have any right angles.

What am I?
I am a:

rhombus.
I am a parallelogram with all right angles and my sides are all equal.
What kind of parallelogram am I?
I am a:

square parallelogram
I am a parallelogram with all right angles but only my opposite sides are equal.
What kind of parallelogram am I?
I am called a:

rectangular parallelogram
Figures that have the same size and the same shape are called __________ figures.
congruent figures
My set of points on a plane have all the same distance from a given point, called the center.
What am I?
I am called a:

circle
I am a segment with endpoints on a circle.

What am I?
I am a:

chord
I am the distance around a circle.

What am I?
I am a:

circumference
I am a line that goes through a set a points. My points are called ___________ points.
collinear points
Polygons whose corresponding parts (angles and sides) are called _________ polygons.
congruent polygons
I am a segment that passes through the center of a circle and has both endpoints on the circle.
What am I?
I am called a:

diameter
I am a set of points but you can not draw a line through all of my points.

What am I?
I am called:

noncollinear points
I have two lines on the same plane that do not intersect.

What am I?
I am called:

parallel lines
I am a line that intersects another line to form right triangles.

What am I?
I am called:

perpendicular lines
I have one endpoint and all the points of the line on one side of that endpoint.

What am I?
I am called a:

ray
Figures that have the same shape are called _________ shapes.
similar shapes
My name means "four sides".

What am I?
I am called a:

quadrilateral
I am a quadrilateral with exactly one pair of parallel sides.

what am I?
I am called a:

trapezoid
I am a quadrilateral with four right angles and four conguent sides.

What am I?
I am a:

square
I am a quadrilateral with four congruent sides but I am not a square.
What am I?
I am called a:

rhombus
I am a quadrilateral with four congruent sides and four right angles.

What am I?
I am called a:

square
We have the same shape, but we are two different sizes.
We are called ______ shapes.
We are called:

similar shapes
We are identical. We are exactly the same size and shape.
We are called _______ shapes.
We are called:

congruent shapes.
A parallelogram is a quadrilateral with both pairs of opposite sides parallel.

True or false?
True. A parallelogram is a quadrilateral (four sides) with both pairs of opposite sides parallel.
A rectangle is a special type of quadrilateral and it also is a parallelogram.

True or false?
True.

A rectangle is a parallelogram and has four sides (quadrilateral).
A rectangle is a parallelogram but is not a quadrilateral.

True or false?
False.
A rectangle is a parallelogram and it also is a quadrilateral (has four sides).
Rectangles, squares, rhombuses, trapezoids are not quadrilaterals.

True or false?
False. Rectangles, squares, rhombuses, trapezoids ALL have four sides, therefore they ARE ALL quadrilaterals.
Rectangles, squares, and rhombuses are parallelograms and quadrilaterals.

True or false?
True. Rectangles, squares, and rhombuses ARE parallelograms and quadrilaterals.
I am a special kind of parallelogram called a triangle.

True or false? Why or why not?
False. A triangle does not have any parallel lines.
I am a special kind of quadrilateral called a triangle.

True or false? Why or why not?
False. A triangle has three sides and a quadrilateral has 4 sides.
A circle is a special kind of quadrilateral.

True or false? Why or why not?
False. A circle does not have any sides but a quadrilateral has four sides.
A trapezoid is a special kind of parallelogram.

True or false? Why or why not?
False. A trapezoid has only one set of parallel sides but a parallelogram has two sides that are parallel.
A trapezoid is a special kind of quadrilateral.

True or false? Why or why not?
True. A trapezoid has four sides so it is a special kind of quadrilateral.