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If the angle of elevation of the sun dec...

If the angle of elevation of the sun decreases from `45^(@)` to`30^(@)` , then the length of the shadow of a pillar increases by 60m . The height of the pillar is

A

`60 (sqrt(3)+1)m`

B

`30 (sqrt(3)-1)` m

C

`30 (sqrt(3+1))m`

D

`60 (sqrt(3)-1)` m

Text Solution

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The correct Answer is:
A, C
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