Answer:
20°
Step-by-step explanation:
the sum of the angles gives 180°
20+2x+6x=180
20+8x=180°
8x=180-20
x=160°÷8°
x=20°
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c) 20
on edge 2021 || pls mark brainliest
The answer would be X=12
B
55
all angles shoudl equal 180. 180-80=100// 100= (x+67)+(x+57)// 100=2x+124// -24=2x//x=-12// -12+67= 55
