3a +16 and 2a +34 are supplementary angles, then their sum is?
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(3a + 16 ) + ( 2a + 34 ) = 180
5a + 50 = 180
5a = 180 - 50
a = 130/5
a = 26
3a + 16 = 26 x 3 + 16
= 94
2a + 34 = 2 x 26 + 34
= 86
The angles are 94° and 86° .
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