Question

1. Ajoker's cap is in the form ofright circular cone whose base radius is 7cm and height is 24
cm. Find the area of the sheet required to make 10 such caps.​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Given

r=7 cm

h=24 m

Let slant height be

′

l

′

We know

l

2

=h

2

+r

2

l

2

=24

2

+7

2

l

2

=576+49

l

2

=625

l=25 cm

Curved surface area of 1 jokers cap =πrl

=

7

22

×7×25

=22×25

=550 cm

2

So,

Curved surface area of 10 jokers cap =10×550

=5500 cm

2