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Find measure of angle NPI

Find measure of angle NPI-example-1
User Salih K
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1 Answer

1 vote
Exterior Angles Theorem is used.

The exterior angle of a triangle is equal to the 2 opposite interior angles.

Therefore, 65+78=143°, since 65 and 78 are the 2 opposite interior angles.

So, the answer is 143°
User SPRBRN
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