LucyNeedsMathHelp LucyNeedsMathHelp

14-12-2016
Mathematics

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Angles A and B are supplementary. If м∠A = 64°, then what is м∠B?

A. 128°

B. 116°

C. 64°

D. 26°

Respuesta :

sarahmckee sarahmckee

14-12-2016

The answer is b, Supplementary angles add up to 180 so just subtract 180 - 64 = 116

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gwendolyn7 gwendolyn7

14-12-2016

Supplementary means that either of two angles is 180*

So, if M<A = 64*

Then, M<B = 116*

Because, 64+116= 180*

B. Is your answer :) hope this helps

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