Question

Pls tell the answer

Answer 1

Step-by-step explanation:

5x - 60 + 2x + 40 + 3x - 80 = 180°

10x -100 = 180

10x = 280

x = 28

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Answer 2

Answer:

x=28°

Step-by-step explanation:

A+B+C=180°{angle sum property}

5x-60°+2x+40°+3x-80°=180

10x-100=180°

10x=180°+100°

x=280°\10

x=28

Hence, A=5×28-60=140-60=80

B=2×28+40=56+40=96

C=3×28-80=84-80=4