A hollow cone is to be prepared whose height is 24 cm and radius of base is 7 cm. (1) Find the area of sheet required. (ii) Also, find the capacity of the cone.
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Answer:
Option a - The area of metal sheet required including the base is 704 cm².
Step-by-step explanation:
Given : A hollow cone 24 cm high with Base radius 7 cm is required to be made by a meta sheet.
To find : The area of metal sheet required including the Base is?
Solution :
According to question,
Area required is the total surface area of the cone is
We have given,
Radius r=7 cm
Height h=24 cm
Slant height l is given by,
Substitute the value in the formula,
Therefore, The area of metal sheet required including the base is 704 cm².
So, Option 'a' is correct.
Explanation:
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