Congruent Complements and Supplements

∠1 and ∠2 are supplementary angles. m∠1 = 123 and m∠2 = 3x. Find the value of x.

• 15

• 16

• 18

• 19

Tags

CCSS.7.G.B.5

What are complementary angles?

• Angles that add up to 180°

• Angles that add up to 90°

• Angles that are equal to each other

• Angles that are opposite of each other when lines intersect.

Tags

CCSS.7.G.B.5

What are supplementary angles?

• Angles that add up to 180°

• Angles that add up to 90°

• Angles that are equal to each other

• Angles that are opposite of each other when lines intersect

Tags

CCSS.7.G.B.5

What is the supplement of 62º?

• x = 118

• x = 108

• x = 28

• x = 58

Tags

CCSS.7.G.B.5

∠3 and ∠4 are supplementary angles, m∠3 = 2x + 10 and m∠4 = 4x + 20. Find the measures of the two angles.

• 60

• 25

• 120

• 155

Tags

CCSS.7.G.B.5

Two angles are complementary. One angle is 5x + 25 and the other is x + 5. What are the measures of the two angles.

• 75

• 80

• 15

• 10

Tags

CCSS.7.G.B.5

What is the supplement of 70 - x?

• 110

• 20 + x

• x + 110

• 20

Tags

CCSS.7.G.B.5

What is the value of x.

• 13

• 5

• 55

• 54

Tags

CCSS.7.G.B.5

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

Tags

CCSS.7.G.B.5

Choose all answers that apply: Find the angle measurements that are complementary to each other.

• 75 and 105

• 75 and 15

• 25 and 65

• 34 and 146

• 38 and 52

Tags

CCSS.7.G.B.5