A tent consists of frustum of a right circular cone capped by a right circular cone, the radii of the base and the top of frustum are 3.5 m and 2 m is the height of the frustum be 5 m and height if tent be 7 m, find the length the canvas 120 cm wide required for the tent.
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Answer:
Step-by-step explanation:
Height of right circular cone = 10.5 m
Diameter = 13 m, Radius=6.5 m
Volume of right circular cone =
V=
3
1
Πr
2
h
V=
3
1
∗3.14∗6.5
2
∗10
V=464.33m
3
average number of cubic metres of air space per man=Volume/8=464.33/8=58.04 m^3
Answer (D) 58
32
3
m
3
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