A vertical tower stands on a horizontal plane and is surmounted by a flagstaff of height 7m. At a point on the plane, the angle of elevation of the bottom of the flagstaff is 30 and that of the top o

A vertical tower stands on a horizontal plane and is surmounted by a f

1.	A vertical tower stands on a horizontal plane and is surmounted by a flagstaff of height 7m. At a point on the plane, the angle of elevation of the bottom of the flagstaff is 30 and that of the top o
A.	9.562 m
B.	19.562 m
C.	29.562 m
D.	39.562 m
Answer» B. 19.562 m

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A vertical tower stands on a horizontal plane and is surmounted by a flagstaff of height 7m. At a point on the plane, the angle of elevation of the bottom of the flagstaff is 30 and that of the top o

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