Math, asked by nmr8833, 8 months ago

the total surface area of a cone with slant height 21 m and diameter of its base is 24 metres

Answers

Answered by priyankadanu113

6

Step-by-step explanation:

The formula for the total surface area of a right cone is T. S. A=πrl+πr2 .

in which π=3.14

and r= 12m

and l = 21m

put the value in above equation

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