leslyvargas230 leslyvargas230

07-11-2018
Mathematics

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WILL GIVE BRAINLIEST

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Mareska95 Mareska95

07-11-2018

A and B are alternate exterior angles and they are the same, so:

5x - 15 = 2x + 21

5x - 2x = 21 + 15

3x = 36

x = 36/3 = 12

Due to that, B = 2x + 21 = 2*12 + 21 = 24 + 21 = 45.

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