Add and Subtract Angles

Adding and Subtracting angles

md.7 2020

Review

• Some angles are complimentary

• Some angles are supplementary

Multiple Choice

Supplementary angles add up to be 90 °

• True

• False

Multiple Choice

Complementary angles add up to be 90 °

• True

• False

How to create an equation

• Count and label your angles

• Decide if the angle is complimentary, supplementary, or unique

• Subtract/add the known angle from the given angle.

Multiple Choice

Find the Measure of x.

• 32

• 68

• 58

Multiple Choice

Find the measure of x.

• 132

• 42

• 45

Multiple Choice

Find the measure of x.

• 129

• 161

• 71

Multiple Choice

Find the measure of x.

• 104

• 123

• 14

Multiple Choice

Find the measure of x.

• 73

• 82

• 105

Angles as additive

Multiple Choice

• 90

• 42

• 18

Multiple Choice

• A

• B

• C

• D

Multiple Choice

What is the measure of the missing angle?

• 42

• 32

• 102

Multiple Choice

What is the measure of the missing angle?

• 88

• 64

• 104

• 68

Multiple Choice

Which is the BEST choice for the measure of this angle?

• 63

• 77

• 117

• 123

Multiple Choice

Which is the BEST choice for the measure of angle BDA?

• 35

• 40

• 75

• 105

Multiple Choice

• 90

• 42

• 18

Multiple Choice

Find the measure of x.

• 129

• 161

• 71