Angles
Triangles
Shapes
Circles
Arcs
100

Two angles with a sum of 90 degrees

What are complementary angles?

100

Triangle with only one 90 degree angle 

What is a right triangle?

100

A quadrilateral with exactly one pair of parallel sides

What is a trapezoid? 

100

A segment from the center of a circle to any point of the circle

What is a radius?

100

Arc with a measure 180 degrees and named with 3 points

What is a Semi circle?

200

Two angles with the sum of 180 degrees.

 What are supplementary angles?

200

Triangle with 3 acute angles 

What is an acute triangle?

200

A quadrilateral with 2 pairs of distinct congruent consecutive sides 

What is a kite?

200

A chord that contains the center of a circle

What is a diameter? 

200

Arc with measure less than 180 degrees named with two points 

What is a minor Arc?

300

Angles opposite each other when two lines intersect

What are vertical angles?

300

Triangle with exactly one obtuse angle 

What is an obtuse triangle?

300

A quadrilateral with both pairs of opposite sides parallel

What is a parallelogram?

300

A segment with both endpoints on a circle

What is a chord?

300

Arc with a measure greater than 180 degrees up to 360 degrees 

What is a major arc?

400

An angle whos measure is more than 90 degrees but less than 180 degrees

 What is an obtuse angle?

400

A triangle with all sides of different lengths. 

What is a scalene triangle?

400

A quadrilateral with all sides congruent (equilateral)

 What is a rhombus?

400

A line that intersects a circle in exactly one point

What is a tangent?

400

An angle whose vertex is the center of the circle

What is a central angle? 

500

Adjacent angles that are supplementary. Common vertex and a common side

What are linear pair of angles?

500

Triangle with all sides congruent and all angles congruent 

What is a equilateral triangle?

500

A quadrilateral with all angles congruent and 90 degrees. (equiangular) 

What is a rectangle?

500

A line that intersects a circle in two points 

What is a secant?

500

An angle whos vertex is on the circle. 

What is a Inscribed angle?