A triangle with interior angles measuring a, b, and c degrees and exterior angle measuring d degrees is shown above. If d measures 140°, what is the sum of a and b?

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asked May 12, 2021 194k views

5 votes

A triangle with interior angles measuring a, b, and c degrees and exterior

angle measuring d degrees is shown above. If d measures 140°, what is the
sum of a and b?

A triangle with interior angles measuring a, b, and c degrees and exterior angle measuring-example-1

Mathematics
high-school

Peol asked

by Peol

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5 votes

Answer:

That would 40 degrees.

(Sorry I can't explain rn) It would have to do with exterior angles.

JS Ng answered May 17, 2021

by JS Ng

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