circumference of base of done is 220/7 cm and it's slant height is 13 cm.find the volume of cone
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▪☆ranshsangwan☆▪
circumference = 2πr = 220/7
⇒2×(22/7)×r = 220/7
⇒ r = 5 cm
l = 13cm
height = √(l²-r²) = √(13²-5²) = √144 = 12cm
Volume= (1/3)πr²h = (1/3)×(22/7)×5²×12 = 314.28 cm²
circumference = 2πr = 220/7
⇒2×(22/7)×r = 220/7
⇒ r = 5 cm
l = 13cm
height = √(l²-r²) = √(13²-5²) = √144 = 12cm
Volume= (1/3)πr²h = (1/3)×(22/7)×5²×12 = 314.28 cm²
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