7.7 Finding Unknown Angle Measures

Front

What is the value of x if the equation is x + 5 = 24?

Back

19

Front

What are complementary angles?

Back

Angles that add up to 90°

Front

What are supplementary angles?

Back

Angles that add up to 180°

Front

What is the relationship between vertical angles?

Back

Vertical angles are equal to each other.

Front

If angle 1 is 30°, what is the measure of its complementary angle?

Back

60

Front

If angle 2 is 110°, what is the measure of its supplementary angle?

Back

70

Front

What is the value of x in the equation 3x = 57?

Back

19

Front

Which angles are vertical to each other?

Back

Angles that are opposite each other when two lines intersect.

Front

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

Back

50

Front

What is the sum of the measures of two supplementary angles?

Back

180°