Solving for Angle Measurements

Front

What is the definition of a complementary angle?

Back

A complementary angle is one of two angles whose measures add up to 90 degrees.

Front

If one angle measures 30°, what is its complement?

Back

60°

Front

What is the equation to find the missing angle if one angle is 45°?

Back

x + 45 = 90

Front

What is the value of x if x + 19 = 90?

Back

71°

Front

What is the definition of a supplementary angle?

Back

A supplementary angle is one of two angles whose measures add up to 180 degrees.

Front

If one angle measures 110°, what is its supplement?

Back

70°

Front

What is the equation to find the missing angle if one angle is 60°?

Back

x + 60 = 120

Front

What is the value of x if x + 19 = 180?

Back

161°

Front

What is the complement of the angle 25°?

Back

65°

Front

If two angles are complementary, and one angle is 40°, what is the other angle?

Back

50°