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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. | |