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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 d degrees is shown above. If d measures 140°, what is the sum of a and b?
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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
User Peol
by
7.1k points

1 Answer

5 votes

Answer:

That would 40 degrees.

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

User JS Ng
by
8.7k points
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