Question

please solve this question with steps​

Answer 1

Answer: the correct answer is(b ) because,

we know that angle between A and C is

90°.

So, A+B+C=180°

SO, B+C=180°-90°=90° -(1)

Given , C = B/2. -(2)

Substitute (2) in (1), we get

B + B/2 = 90°

(2B+B) = 2(90°)

3B = 180°

B = 180° / 3

.°. B = 60 °

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