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TWO MORE QUESTIONS FOR YOU
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TWO MORE QUESTIONS FOR YOU

TWO MORE QUESTIONS FOR YOU-example-1
User Prem Singh Bist
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8.5k points

1 Answer

2 votes
If they equal 720 degrees,

x-20+x-60+x-40+130+120+110= 720

3x-120+360=720

3x+240=720

Subtract 240 on both sides.

3x=480

x=160

Plug it into angle A:

(x-60)

160-60= 100 degrees

I hope this helps!
~kaikers
User Edward N
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