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