Classifying Angles

Front

What type of angle has a measurement of 90°?

Back

Right Angle

Front

Name the vertex of the angle formed by two rays.

Back

The vertex is the point where the two rays meet.

Front

What is the point where two rays meet called?

Back

Vertex

Front

What type of angle measures less than 90°?

Back

Acute Angle

Front

What type of angle measures exactly 180°?

Back

Straight Angle

Front

What type of angle measures more than 90° but less than 180°?

Back

Obtuse Angle

Front

What is the sum of angles in a triangle?

Back

180°

Front

If two angles are complementary, what is their sum?

Back

90°

Front

If two angles are supplementary, what is their sum?

Back

180°

Front

What is an angle that measures exactly 0° called?

Back

Zero Angle