1.

The shadow of a tower when the angle of elevation of the sun is 45 , is found to be 10 m longer that when it was 60 . The height of the tower is

A. 10( 3-1) m
B. 10( 3+1) m
C. 5( 3-1) m
D. 5(3+ 3) m
Answer» E.


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