Math, asked by devrukhkarvaishnavi2, 4 months ago

volume of the cone
is 1232, r=7 find total surface area

Answers

Answered by manyarawat2005

0

Answer:

232.57

Step-by-step explanation:

Volume of the cone :- 1/3 πr²h

1232= 1/3 ×22/7 ×7×7 h

24 = h

l = √r² + h²

l = √ 7² +24²

l = √ 49 + 576

l = √ 625

l = 25

t.s.a of cone = π( r² + l)

= 22/7 ( 7² + 25)

= 22/7 ( 49 +25)

= 22/7 ( 74)

= 232.57

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