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How many metres of cloth 2.5 m widewill be required to make a conical tent whose base radius is 7m and height 24m

2
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jst 4 the sake of confirmation...

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Mayb it's like this,,

l^2 = h^2 + r^2 = 576 + 49 = 625

l = 25

now,

ar. of cloth = l.s.a of tent

2.5 * length = 22/7 * 7 * 25

hence length = 220 m

l^2 = h^2 + r^2 = 576 + 49 = 625

l = 25

now,

ar. of cloth = l.s.a of tent

2.5 * length = 22/7 * 7 * 25

hence length = 220 m

l^2 = h^2 + r^2

so you get l=25

that is required height

by this problem

you form eqn

cloth area= l.s.a of tent

2.5 * length = 22/7 * 7 * 25

solving the equation

you get length is 220 m