Can someone tell me the answer to this?

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Lobo asked Jan 24, 2022

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44 votes

Can someone tell me the answer to this?

Mathematics
high-school

Lobo asked Jan 24, 2022

by Lobo

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1 Answer

13 votes

Answer:

x = 3 . (the angle size is 21 + 18 = 39)

Explanation:

7x + 18 + 51 + 90 = 180

18 + 51 + 90 = 159

159 + 7x = 180

-159 -159

7x = 21

/7 /7

x = 3

Ben Johnson answered Jan 31, 2022

by Ben Johnson

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