Question

answer the question as soon as possible
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Answer 1

Answer:

C

Explanation:

u =[ sin(A+d)/2]/sin(A/2)

1.5 = sinA/sinA/2 [As A = d]

1.5 = 2[sin(A/2)][cos(A/2)]/sin(A/2)

1.5 = 2cos(A/2)

3/4 = cos (A/2)

A/2 = 41°

A = 82°