1.

Please answer me friends please I request​

Answer»

Step-by-step explanation:

8

y + 50° = 180

THEREFORE, y = 180-50,

therefore, y = 130°

and I cannot FIND x in the given figure

9

let the ONE angle which is 80 is A

and other angles are B and C

and A+B+C = 180°

80+2B = 180°

2B = 100

B = 100/2

B = 50

also, B = C

Therefore C = 50°


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