Can someone tell me the answer to this?

asked Dec 28, 2022 189k views

1 vote

by Makdu

5.3k points

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4 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

5.6k points

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