The radius & slant height of the cone are 5cm & 10cm respectively. find the curved surface area.
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Answer:
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Step-by-step explanation:
Radius (r)=5 cm
Slant Height (l)=10 cm
Now,we know that curved surface area of cone=Area of the sector
=пrl
= 3.14×5×10
=15.7×10
=157 cm²
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