Question

In the given figure, if the angles a and b are in the ratio 2 : 3, then angle c is:

Answer 1

Answer:

let angle a and b = 2x, 3x

90° + 2x + 3x = 180 (angles on a straight line )

5x = 180 - 90

5x = 90

x= 90/5

x = 18

a = 2x = 2(18) = 36°

b = 3x = 3(18) = 54°

a + b + c = 180° ( angles on a straight line)

36° + 54° + c = 180°

90° + c = 180°

c = 180° - 90°

c = 90° ans

Step-by-step explanation:

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