Question

3. In the given figure, PQR is a straight line.
Find x. Hence, complete the following:​

Answer 1

Answer:

equation is

x+20°+ x + 2x = 180°

4x+20°=180°

4x=180°-20°

4x=160°

x=160°/4

x=40°

1. angle 40°+20°=60°
2. angle 2×40°=80°
3. angle 40°

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