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1. |
The shadow of a vertical tower increases 10 metre, when the altitude of the sun changes from 45 to 30 . What is the height of tower ? ( = 1.73) |
A. | 12.65 metre |
B. | 13.65 metre |
C. | 14.65 metre |
D. | 16.65 metre |
Answer» C. 14.65 metre | |