1.

A tower is broken at a point P above the ground. The top of the tower makes an angle 60° with the ground at Q. From another point R on the opposite sideof Q angle of elevation of point P is 30°. If QR = 180 m, then what is the total height (in metres) of the tower?_x005F_x000D_

A. 90
B. 45√3
C. 45(√3+1)
D. 45(√3+2)
Answer» E.


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