7th 8-4 Solve Problems Using Angle Relationships

Which of these is a pair of adjacent​ angles?

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Select each angle that is adjacent to ∠LON.

• $\angle NOP$

• $\angle MOL$

• $\angle LOP$

• $\angle KOP$

Find the value of x.

• 240

• $6\frac{2}{3}$

• 40

• 20

Find the measure of the complement of an 18° angle.

• 72

• 162

• 18

• 36

The measure of ∠1 is 39°. Find the measure of the angle adjacent to ∠1. The figure is not drawn to scale.

• 39

• 51

• 141

• 90

Find the value of x using the measures of the two given adjacent supplementary angles. The figure is not drawn to scale.

• 21

• 12

• 126

• 42

Find the supplementary angle of 28.9°.

• 122.2

• 61.1

• 151.1

• 171.1

In the​ diagram, m∠1=​(125−​y)°​, m∠2=24°​, and m∠3=​(x+​46)°. Find y.

• 45

• 125

• 35

• 115

In the​ diagram, m∠1=​(125−​y)°​, m∠2=24°​, and m∠3=​(x+​46)°. Solve for x.

• 15

• 30

• 35

• 20

In the​ diagram, m∠1=​(125−​y)°​, m∠2=24°​, and m∠3=​(x+​46)°. Find m∠3.

• 66

• 44

• 18

• 20