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Gelneren [198K]
4 years ago
13

Four interior angles of a pentagon measure 156°, 72°, 98°, and 87°. What is the measure of the final interior angle?

Mathematics
2 answers:
Svet_ta [14]4 years ago
5 0
The final interior angle is 127<span>°.  Pentagons' interior angles add up to 540, so you add the ones you know together, subtract the big number from 540, and you have your answer.  </span>
Alinara [238K]4 years ago
5 0
127 because when you add up 156,72,98,87 it equals 413 and for a pentagon's interior angle it equals 540 so 540-413
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