MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Curved surface area of a Right Circular cone

A joker's cap...

Question

A joker’s cap is in the form of right circular cone of base radius 7 cm and height 24 cm. Find the area of the sheet required to make 10 such caps.

Open in App

Solution

Radius (r) of conical cap = 7 cm

Height (h) of conical cap = 24 cm

Slant height (l) of conical cap =

CSA of 1 conical cap = πrl

CSA of 10 such conical caps = (10 × 550) cm² = 5500 cm²

Therefore, 5500 cm² sheet will be required.

Suggest Corrections

thumbs-up

358

Similar questions

Q. Question 7
A joker’s cap is in the form of a right circular cone of base radius 7 cm and height 24 cm. Find the area of the sheet required to make 10 such caps.

[A s s u m e π = \frac{22}{7}]

Q. A joker's cap is in the form of a right circular cone of base radius

7 c m

24 c m

. Find the areas of the sheet required to make

10

π = \frac{22}{7}

, unless stated otherwise.
A joker's cap is in the form of a right circular cone of base radius 7 cm and height 24 cm. Find the area of the sheet required to make 10 such caps.

Q. A joker's cap is in the form of a right circular cone whose base radius is

7 c m

24 c m

. Find the area of the sheet required to make

10

Q. A Joker's cap is in the form of a right circular cone of base radius 7 cm and height 27 cm. Find the area of the sheet required to make 10 such caps.

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Surface Area of Solids

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Curved surface area of a Right Circular cone

Standard IX Mathematics

Join BYJU'S Learning Program

CrossIcon