ElvasbrigueK ElvasbrigueK

15-01-2017
Mathematics

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What is the value of b?

A right triangle with an angle measure of fifty-one degrees and an unknown angle measure, b degrees.

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pxg5022 pxg5022

15-01-2017

Right Angle - 90 Degrees

A+B+C = 180

90+B+51 = 180

141 + B = 180

B = 39

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