Diameter of the Base of a …

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Diameter of the Base of a cone is 10.5 cm and it's slant height is 10 cm . Find it's curved Surface area

Posted by Arnab Jaiswal 7 months, 4 weeks ago

CBSE > Class 09 > Mathematics

2 answers

Bhavay Dhillon 7 months, 3 weeks ago

Given, diameter = 10.5 cm slant height = 10 cm to find CSA of cone = πrl So, 22/7×10.5/2×10=165 cm²

0Thank You

Harsh Kumar 7 months, 3 weeks ago

Sol:Given, D=10.5 R=10.5/2 h or l=10cm Curved surface area of cone=πrl =22/7×10.5/2×10 =165cm²

0Thank You

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