Finding Unknown Angle Measures

Front

What is the measure of angle X if it is given as 133°?

Back

Angle X measures 133°.

Tags

CCSS.4.MD.C.6

Front

What do you call two angles whose sum equals 180 degrees?

Back

Supplementary Angles.

Tags

CCSS.7.G.B.5

Front

If angle A is 90° and angle B is 90°, what is the sum of angle A and angle B?

Back

The sum is 180°.

Tags

CCSS.4.MD.C.7

Front

What is the value of x if it is given as 18°?

Back

x = 18°.

Tags

CCSS.7.G.B.5

Front

What do you call two angles that share a common side?

Back

Adjacent Angles.

Tags

CCSS.7.G.B.5

Front

What is the measure of angle X if it is given as 129°?

Back

Angle X measures 129°.

Tags

CCSS.4.MD.C.6

Front

If angle A is 60° and angle B is 120°, what type of angles are they?

Back

They are Supplementary Angles.

Tags

CCSS.7.G.B.5

Front

What is the definition of complementary angles?

Back

Two angles whose sum is 90 degrees.

Tags

CCSS.7.G.B.5

Front

What is the measure of a right angle?

Back

A right angle measures 90°.

Tags

CCSS.4.G.A.1

Front

If angle A is 45° and angle B is 45°, what is the relationship between them?

Back

They are complementary angles.

Tags

CCSS.7.G.B.5