1.

Q: 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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