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Find m a. 14 b. 39 c. 51 d. 90
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3 votes
Find m a. 14
b. 39
c. 51
d. 90

Find m a. 14 b. 39 c. 51 d. 90-example-1
User Princess
by
8.3k points

1 Answer

2 votes

I WILL USE SUM OF INTERIOR ANGLES OF A TRIANGLE TO GET x


(2x + 11) + (4x - 5) + 90 = 180 \\ 2x + 4x + 11 - 5 + 90 = 180 \\ 6x + 96 = 180 \\ 6x = 180 - 96 \\ 6x = 84 \\ (6x)/(6) = (84)/(6) \\ x = 14

THE ANSWER IS OPTION a

X=14°

User Massyanya
by
7.8k points
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