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Q. 154.4( 10 Votes )

# Monica has a piec

Answer :

1) We have,

Area of canvas = 551 m2

Area of canvas lost in wastage = 1 m2

Area of canvas used in making tent

= (551-1) m2 = 550 m2

= Surface area of the cone = 550 m2

We have,

r = radius of the base of the cone = 7 m

Surface area = 550 m2 = πrl = 550

=×7×l=550 = l = 25 m

Let h be the height of the cone. Then,

l2 = r2+h2 = h = = = 24 m

Volume of the cone =

= m3 = 1232 m3

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