The slant height of a right circular cone is 10 m and its height is 8 m. Find the area of its curved surface.
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CSA of a cone= pi*r*l
=22/7*r*10
l²=r²+h²; r²=l²-h²; =100-64=36;r=6
hence,CSA= 22/7*6*10=1320/7 =188.5714...m²
i think it's the right answer
=22/7*r*10
l²=r²+h²; r²=l²-h²; =100-64=36;r=6
hence,CSA= 22/7*6*10=1320/7 =188.5714...m²
i think it's the right answer
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