# A conical tent with radius 7m has been made from a piece of canvas whose area is 551m2. find the volume of the tent assuming that all the stiching margins and wastage in curved while cutting amount to approxmately 1m2

2
by pantamrambabu

2015-03-01T16:46:28+05:30

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Πrl=550  [as 1 m in stiching]
22/7*7*l=550
22*l=550
l=550/22
l=25
l²=r²+h²
25²=7²+h²
625-49=h²
576=h²
h=24
volume=1/3πr²h
=1/3*22/7*7*7*24
=1232m³
2015-03-01T17:15:51+05:30

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
R =7m
Area of canvas =551sq.cm
Wastage = 1 sq.cm

πrl=551-1
=550
l=550×7÷22×7
l=25cm

h=√l²-r²
=√625-49
=√576
=24cm

V=1/3πr²h
=1/3×22/7×7×7×24
=1232m³

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