A child wants to make caps for everyone on his birthday. He has a single cap and wants to make 10 more for his friends. If the cap is in the form of a right circular cone with base radius 7 cm and height 24 cm, the area of the sheet required to make 10 such caps will be ____

c
m
2

.

Question

A child wants to make caps for everyone on his birthday. He has a single cap and wants to make 10 more for his friends. If the cap is in the form of a right circular cone with base radius 7 cm and height 24 cm, the area of the sheet required to make 10 such caps will be ____ $c m 2 .$

c
    m
    2
   
   .

Accepted Answer

A child wants to make caps for everyone on his birthday. He has a single cap and wants to make 10 more for his friends. If the cap is in the form of a right circular cone with base radius 7 cm and height 24 cm, the area of the sheet required to make 10 such caps will be ____ $c m 2 .$

5500
    
      cm
    2
   
   .
  We are given a cap in the form of a right circular cone, with base radius 7 cm and height 24 cm.We know that the area of a cone is

πrl,
   where r is the radius and l is the slant height of the cone.Since radius and height of the given cap are 7 cm and 24 cm respectively, we can calculate slant height as,