A vertical tower stands on a horizontal plane and is surmounted by a vertical flagstaff of height 7m from a point on the plane, the angle of the elevation of the bottom of the flagstaff is 30 degree and that of the top of flagstaff is 45 degree. find the height of the tower
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Answered by
43
Let the height of tower be h
and the distance between the foot of tower to the point of sigh be x
[ previous solution is in the attachment ]
√3 ( 3h - h ) = 7√3
2h = 7√3/√3
2h = 7
h = 7/2
h = 3.5 m
Height of tower is 3.5m
and the distance between the foot of tower to the point of sigh be x
[ previous solution is in the attachment ]
√3 ( 3h - h ) = 7√3
2h = 7√3/√3
2h = 7
h = 7/2
h = 3.5 m
Height of tower is 3.5m
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Answered by
48
Answer:
Step-by-step explanation:
Answer is 9.56m
Attachments:
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