briannat7726 briannat7726

18-02-2021
Mathematics

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Explain why m∠9 is equal to the sum of the measures of the two nonadjacent interior angles.
What is m∠9?

Help Explain why m9 is equal to the sum of the measures of the two nonadjacent interior angles What is m9 class=

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ronica07 ronica07

22-02-2021

Answer:

because all triangle's interior angles add up to 180 degrees so and angles 8 and 9 are supplementary. Angle 9 is 77 degrees.

Step-by-step explanation:

because all triangle's interior angles add up to 180 degrees so and angles 8 and 9 are supplementary. Angle 9 is 77 degrees.

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