Question

-- Area of cone --



Find the curved surface area of a right circular cone whose slant height is 10 cm and Base is 7cm.

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Answer 1

Step-by-step explanation:

Formula of curved surface area of cone =

πrl

Where r is radius and l is slant height

Since we are given slant height is 10 cm and base radius is 7cm

So, Curved surface area of cone =

                                                      = 3.14 × 7 × 10

Hence the curved surface area of cone is 219.8 cm square.

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Answer 2

$\huge \underline \mathfrak\pink {Question}$

Find the curved surface area of a right circular cone whose slant height is 10 cm and Base is 7cm.

$\huge \underline \mathfrak\pink {Answer}$

Given :-

• Height = 7cm

• Radius = 10 cm

Find:-

• The curved surface area of the cone

Solution :-

As we know ,curved surface area

= $\pi×radius ×length$

= $\frac {22}{7}× 7 × 10$

= 220 cm square

The answer is hence 220 cm square.

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