find CSAand TSA and volume of a right circular cone whose base diameter is 14cm and height 18 cm .
Answers
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Step-by-step explanation:
Diameter =14 cm
Radius =7 cm
Height =15 cm
So,
TSA of cylinder =2πr(r+h)
=2×
7
22
×7(7+15)
=2×
7
22
×7×22
=968 cm
2
CSA of cylinder =2πrh
=2×
7
22
×7×15
=660 cm
2
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