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The sum of the angle measures of any triangle is 180 degrees. Suppose that one angle in a triangle has a degree measure of 6+x7 and another has a degree measure of 3x-5 . Write an expression for the degree measure of the third angle in the triangle.

Respuesta :

(180-(6+7x))-(3x-5)
or
180-(10x+1)
musiclover10045

since a triangle has 180 degrees

 add the 2 known angles and subtract that from 180

 180 - (6+x7 +3x-5)

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