1.

Q: The shadow of the tower becomes 60 meters longer when the altitude of the sun changes from 45 ° to 30 °. Then the height of the tower is

A. 30(√3+1) m
B. 30(√3-1) m
C. 20(√3+1) m
D. 24(√3+1) m
Answer» B. 30(√3-1) m


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