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  • 25-07-2020
  • Mathematics
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What is the measure of < x

What is the measure of lt x class=

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MathPhys
MathPhys MathPhys
  • 25-07-2020

Answer:

78

Step-by-step explanation:

The measure of an exterior angle of a triangle is equal to the sum of the opposite interior angles.

x = 31 + 47

x = 78

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