A tower of height 30 metres casts a shad...

A tower of height 30 metres casts a shadow of length 40 meters at a certain instant. When the sun's elevation increases by `Tan^(-1)"1/7`, the length of the shadow cast by the tower, in meters is

A

`20`

B

`25`

C

`30`

D

`45`

Text Solution

Verified by Experts

The correct Answer is:

C

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