passpadi

2018

Mathematics

JAMB

Find the value of x in the diagram

A.

10°

B.

28°

C.

36°

D.

40°

Correct Answer: 40°

Explanation

The diagram shows angles at a point, the total angle at a point is 360 x - 10 + 4x - 50 + 2x + 3x + 20 = 360 10x - 40 = 360 10x = 360 + 40 10x = 400 x = 400/10 x = 40

The diagram shows angles at a point, the total angle at a point is 360 x - 10 + 4x - 50 + 2x + 3x + 20 = 360 10x - 40 = 360 10x = 360 + 40 10x = 400 x = 400/10 x = 40
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