1.

If the angle of elevation of the sun decreases from 45° to 30°, then the length of the shadow of a pillar increases by 60 m. The height of the pillar is:

A. 60(√3 + 1) m
B. 30(√3 - 1) m
C. 30(√3 + 1) m
D. 60(√3 - 1) m
Answer» D. 60(√3 - 1) m


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