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vikash sangwan

· started a discussion

· 1 Months ago

answer (Question: 185037.0 )

iska ans option A ho skta h.

Question:
From the top of a pillar of height 20 m the angles of elevation and depression of the top and bottom of another pillar are 30° and 45° respectively. The height of the second pillar is –
Options:
A) \(\cfrac{20}{\sqrt[]{3}}(\sqrt[]{3}-1)\) m
B) \(\cfrac{20}{\sqrt[]{3}}(\sqrt[]{3}+1)\) m
C) \(20\sqrt[]{3}\) m
D) \(\cfrac{20}{\sqrt[]{3}}\) m
Solution:

Ans: (b)

Knowledge Expert

· commented

· 1 Months ago

Not at all, only option b is the correct answer........
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