If the circumference of the base of a solid right circular cone is 236cm and its slant height is 12 cm.find its curved surface area.
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circumference = 2*pie*r
236 = 2 * 22/7 * r
r = 236 *7/(2 * 22)
r = 413/11
CSA of Cone = pie * r * l
= 22/7 * 413/11 * 12
= 1416 cm sq. ANSWER.
thanks...
236 = 2 * 22/7 * r
r = 236 *7/(2 * 22)
r = 413/11
CSA of Cone = pie * r * l
= 22/7 * 413/11 * 12
= 1416 cm sq. ANSWER.
thanks...
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