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If I have a triangle and one angle is 25 degrees and I have to find the exterior angles by doing (2X+3) and (3x-17)
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If I have a triangle and one angle is 25 degrees and I have to find the exterior angles by doing (2X+3) and (3x-17)

User Oliver Gebert
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1 Answer

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(2x+3)+(3x-17)+25=180
5x+11=180
X= 33.8

Plug in x into each equation.

2(33.8)+3= 70.6

3(33.8)-17= 84.4
User Eunbi
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