In the diagram below, m A = 59°, m B = 55° and m C = 78°. Find m D.

asked Feb 5, 2021 71.0k views

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by Bal

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4 votes

Answer:

D=36

Explanation:

All angles of the triangle add up to 180. Subtract 180-59-55=66

Then the missing measurement is a vertical which means that E=66.

So then 180-78-66=36

John Colby answered Feb 12, 2021

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