3 years ago

The measure of the exterior angle of the triangle is

Mathematics

1 answer:

kati45 [8]3 years ago

3 0

Step-by-step explanation:

The sum of two interior angles in a triangle is equal to an exterior angle that's supplementary to the third interior angle

2x - 2 = 45 + x

2x - x = 45 + 2

x = 47°

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