Question

In the given figure, AOB is a straight line. Find the measurement of angle COD. ​

Answer 1

Answer:

ANSWER

2x - 20 + 2x + 20 + 60 = 180

4x + 80 - 20 = 180

4x + 80 - 20 + 20 = 180 + 20

4x + 80 = 200

4x + 80 - 80 = 200 - 80

4x = 120

4x / 4 = 120 / 4

x = 30

Angle COD = 2x - 20 = 60 - 20 = 40°

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