Class Lesson/Assignment: 02212025 - Supplementary Angles

Angle Relationships - Suplementary Angles

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​Supplementary Angles

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​Supplementary Angles

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​Supplementary Angles

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Multiple Choice

What is the definition of a supplementary angle?

• Two angles that measure 180 degrees

• A right angle

• Two angles that measure 90 degrees

• Two angles that have the same measure

Multiple Choice

If ∠A and ∠B are supplementary, and the measure of ∠A is 120°, what is the measure of ∠B?

• 180

• 50

• 60

• 80

Multiple Choice

Find the missing angle.

• 28°

• 118°

• 62°

• 180°

Multiple Select

Choose all that apply: Which angle measurements below are supplementary to each other?

• 144 and 36

• 36 and 54

• 40 and 50

• 126 and 54

• 21 and 159

Multiple Choice

Are these angles complementary, supplementary or neither?

• complementary

• supplementary

• neither

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Multiple Choice

What is the value of "x"?

• 19

• 20

• 21

• 22

Multiple Choice

If x = 19, what do these angles measure?

• 123° and 57°

• 123° and 60°

• 123° and 40°

• 123° and 55°

Multiple Choice

What is the value of "x"?

• 10

• 11

• 12

• 13

Multiple Choice

If x = 10, what is the measures of these angles?

• 110° and 70°

• 120° and 60°

• 130° and 50°

• 140° and 40°

Multiple Choice

What is the value of "x"?

• 20

• 30

• 25

• 15

Multiple Choice

If x = 20, what are the measures of these angles?

• 40° and 140°

• 35° and 145°

• 70° and 110°

• 60° and 120°

Multiple Choice

What is the value of "x"?

• 19

• 28

• 18

• 30

Multiple Choice

If x = 19, what do these angles measure?

• 126° and 54°

• 135° and 45°

• 160° and 20°

• 115° and 65°