cristophermacario198 cristophermacario198

05-02-2021
Mathematics

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Need Help ASAP

What is the sum of interior angles of a triangle?Degrees

Given ABC, find the value of X.

What is the measure of angle A??

Need Help ASAP What is the sum of interior angles of a triangleDegrees Given ABC find the value of X What is the measure of angle A class=

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dhaig2004 dhaig2004

05-02-2021

The sum of the interior angles of a triangle is 180 degrees

2x-9+3x+x+3=180
6x-6=180
6x=186
x=31

A=2(31)-9
A=62-9
A=53

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