1.

The angle of elevation of sun changes from 30 to 45 , the length of the shadow of a pole decreases by 4 meters, the height of the pole is (Assume 3 = 1.732)

A. 3.648 m
B. 5.464 m
C. 1.464 m
D. 9.464 m
Answer» C. 1.464 m


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