Lines
Quadrilaterals
Angles
Triangles
Polygons
100
A part of a line that has one endpoint and extends in one direction indefinately
What is a ray
100
All sides are equal and have right angles
What is a square
100
An angle that measures less than 90 degrees
What is an acute angle
100
A triangle with all sides congruent (equal)
What is an equilateral triangle
100
A figure with five sides
What is a pentagon
200
A straight path that goes on forever in opposite directions
What is a line
200
a parallelogram with four right angles, two sides are congruent but not all four sides.
What is a rectangle
200
An angle that measures more than 90 degrees
What is an obtuse angle
200
A triangle with all acute angles, less than 90 degrees
What is an acute triangle
200
A figure with seven sides
What is a septagon
300
Part of a line that has two endpoints
What is a line segment
300
A parallogram that have all sides congruent, can be with or without right angles
What is a rhombus
300
An angle that measures 90 degrees
What is a right angle
300
A triangle with at least two sides congruent (equal)
What is an isosceles triangle
300
A figure with eight sides
What is an octagon
400
lines that are not parallel and cross to form right angles
What is perpendicular
400
A quadrilateral with exactly two sides parallel
What is a trapizoid
400
Two angles whose measures add to 90 degrees
What is a complementary angle
400
A triangle with no sides congruent
What is a scalene triangle
400
A figure with nine sides
What is a nonagon
500
lines that are not parrallel or perpedicular and cross
What is intersecting lines
500
A quadrilateral with two pairs of adjacent, congruent sides which are convex
What is a kite
500
two angles whose measures add to 180 degrees
What is a supplementary angle
500
A triangle with one angle more than 90 degrees
What is an obtuse triangle
500
A figure with twelve sides
What is a dodecagon
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