Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
|
point
|
a location in space
|
|
|
line
|
a straight path that is endless in both directions
|
|
|
line segment
|
part of a line with two endpoints
|
|
|
ray
|
part of a line with one endpoint and endless in one direction
|
|
|
parallel lines
|
lines that will never intersect
|
|
|
perpendicular lines
|
lines that intersect at a right angle
|
|
|
angle
|
two rays with a common endpoint
|
|
|
Vertex
|
The point where rays, sides or edges meet.
|
|
|
right angle
|
an angel that measures 90 degrees: it makes a perfect square corner
|
|
|
acute angle
|
an angle that measure more than 0 degrees and less than 90 degrees
|
|
|
obtuse angle
|
an angle that measures more than 90% and less than 180 degrees
|
|
|
reflex angle
|
an angle that measure more than 180 degrees and less than 360 degrees
|
|
|
straight angle
|
an angle that measures 180 degrees. It is a straight line with a vertex . in the middle
|
|
|
polygon
|
a closed figure mode of line segments connected endpoint to endpoint on one plane. Where each segment intersects exactly one other segment at their common endpoint.
|
|
|
triangle
|
a polygon with three sides
|
|
|
quadrangle or quadrilateral
|
a polygon with 4 sides
|
|
|
right angle
|
a triangle with one right angle
|
|
|
acute angle
|
a triangle with three acute (an angle that measures more than 0 degrees and 90 degrees) angles
|
|
|
Scalene Triangles
|
a triangle with no sides of the same lengths
|
|
|
isosceles
|
a triangle with at least two sides the same length
|
|
|
equilateral triangle
|
a triangle with three sides the same length
|
|
|
Trapezoid
|
a quadrilateral with only one pair of parallel sides
|
|
|
parallelogram
|
a quadrilateral with two pairs of parallel sides.
|
|
|
rectangle
|
a parallelogram with four right angles.
|
|
|
rhombus
|
parallelogram with four sides of the same length
|
