Question

In figure, find the value of x.

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Answer 1

Answer:

(x+3)°+(x+20)°+(x+7)° = 180 ( linear pair)

x+3+x+20+x+7=180

3x+30=180

3x=180-30

3x=150

x=150/3

x=50°

Hope it helps you.

Answer 2

Answer:

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Since all the angles are on a straight line, the sum of these is equal to 180°

X + 3 + X + 20 + X + 7 = 180°

3 X + 30 = 180°

3x = 180° - 30°

3x = 150°

X = 150° / 3

X = 50°