Angle Relationships I.P.

Front

If angle ∠ABD is 67°. What is ∠DBC?

Back

23°

Front

Solve for x: 2x + 5 = 45

Back

20

Front

Find the value of x: 3x - 2 = 37

Back

13

Front

What is the value of x in the equation: 5x + 15 = 75?

Back

12

Front

What are vertical angles?

Back

Angles that are opposite of each other when lines intersect.

Front

What is the sum of angles in a triangle?

Back

180°

Front

What are complementary angles?

Back

Two angles that add up to 90°.

Front

What are supplementary angles?

Back

Two angles that add up to 180°.

Front

If two angles are adjacent and their sum is 90°, what are they called?

Back

Complementary angles.

Front

If two angles are adjacent and their sum is 180°, what are they called?

Back

Supplementary angles.