TWO MORE QUESTIONS FOR YOU
1 answer:
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
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