find the curved surface area of a cone with base radius 5.25 cm and slant height 10 cm
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"The radius r of the cone = 5.25 cm and slant height l = 10 cm,
The Curved Surface Area (CSA) of a cone = pie * r * l
= 22/7 * 5.25 * 10
= 22 * 0.75 * 10
= 165 square cm
165 square cm is the CSA of a cone.
"
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