3 years ago

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

1 answer:

3 0

Answer:

D=36

Step-by-step 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

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