3 years ago

What is the measure of each angle? Show your work!

Mathematics

1 answer:

nalin [4]3 years ago

6 0

Answer:

pos: 99. Sor: 17. roq: 64

Step-by-step explanation:

(5x+4)+(x-2)+(3x+7)=180

we add the angles to 180 because straight lines are equal to 180

5x+4+x-2+3x+7=180

5x+x+3x+4-2+7=180

9x+9=180

9x=

9x=171

x=19

then we plug x in

5(19)+4 + (19)-2 +3(19)+7 = 180

angles (left right)

99. 17. 64.

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