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

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asked Jul 20, 2022 165k views

1 Answer

Bo Fjord Jensen · Answer 1 · 2022-07-24T18:45:38+0000

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

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