stacysadousky
28.07.2019 •
Mathematics
The sides of a right triangle are x, x+7, and x+8 untits long. find the side lengh by solving for x.
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Ответ:
3x+15=180
3x=165
x=55
X=55 because a triangles angles add up to 180. you need to get the variable (x) by it's self. By doing that you subtract 15from both sides getting 3x=165. If you divide 165 by 3 you get 55.
Ответ:
13 is c im pretty sure and 14 is a im think hope fully it helps
Step-by-step explanation: