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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

6x+7

and another has a degree measure of

10x-3

. Write an expression for the degree measure of the third angle in the triangle.

Verified Answer :

jamiexx

third angle = 180 - (6x+7) - (10x-3)
= 180 - 6x - 7 - 10x + 3
= 176 - 16x
just minus the sum of triangle by the 2 angles and you're left with the 3rd one

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