The length of the shadow of a vertical tower on level...

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The length of the shadow of a vertical tower on level ground increased by 10 m when the altitude of the sum changes from 45° to 30°. The height of the tower is:

A. 10√3 m

B. 5√3 m

C. 5 (√3 + 1) m

D. 10 (√3 + 1) m

Answer: Option C

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