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Question

At the foot of the Lighthouse, the elevation of its top is 45⁰. A Bird after flying 8 km towards the building up a slope of 30⁰ inclinations, the elevation is found to be 60⁰. Then find the height of the Lighthouse.

A 2(√3+1)

B 4(√3+1)

C 4√3 + 1

D 2(√3+2)

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