Question

A and B are sumplimenteey . m B =121 find m A

Answer 1

m∠A = 59°

Explanation:

Supplementary angles mean that, when the two are combined, their total measurement will equal 180°.

It is given that one of the angles is 121°. Subtract 121 from 180:

180 - 121 = 59

m∠A = 59°

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