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3 votes
Solve for the value of a. .
(9a+6°
750

Solve for the value of a. . (9a+6° 750-example-1

1 Answer

5 votes
As you can see those two angles are supplementary which the sum of two angles = 180°

So,

(9a + 6) + 75 = 180

Subtract 75 on both sides:

9a + 6 = 105

Subtract 6 on those sides:

9a = 99

Divide 9 on both sides:

a = 11


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User Bo Fjord Jensen
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