The curved surface area of a cone is 132cm and r 8cm find l
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Answer:slant height(l)=5.25
Step-by-step explanation:csa of cone=pie×r×l=132cm
(r=8,pie=22/7)
22/7×8×l=132
8l=132×7/22 [÷ by 11]
8l=12×7/2=42
l=42/8=21/4=5.25
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