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Please help me I don’t understand!!

Please help me I don’t understand!!-example-1

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1 vote

Answer:

A.) 30

Explanation:

The entire figure consists of two angles supplementary to each other, which means that ∠YWZ + ∠ZWX = 180°. Since ∠ZWX is 20°, we know that ∠YWZ is 160°.

So now we have an equation to solve:

5x + 10 = 160

- 10 - 10

5x = 150

÷ 5 ÷ 5

x = 30

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