The diameter of a right circular conical tent is 6m. If a pole of length 2m can be fixed up in
the tent at half the distance of the radius from the centre of the base, then find the area of the
canvas required to make the tent. Also find the volume of air present in the tent
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Step-by-step explanation:
Let the radius of the base be r meters Then
2πr=44 m
or r=
2π
44
=
2×22
44×7
=7m
Let the slant height be l meters Then
l=
h
2
+r
2
=
7
2
+24
2
=
625
=25m
Now, Surface area = πrl=
7
22
×7×25=550m
2
∴ Area of canvas required =550 m
2
Given that width of the canvas is 2 m therefore
Length of canvas required =
2
550
=275m
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