a solid cone of radius 4cm and hight 3cm has to paint from outside exept the base find surface are to be painted
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Answered by
4
for cone,
r = 4 cm
h = 3 cm
l2=r2 + h2
therefore l = 5 cm
now,
CSA of cone= πrl
=22/7 x 4 x 5
=440/7 = 62.85 cm2
The surface area to be painted is 62.85 cm2
r = 4 cm
h = 3 cm
l2=r2 + h2
therefore l = 5 cm
now,
CSA of cone= πrl
=22/7 x 4 x 5
=440/7 = 62.85 cm2
The surface area to be painted is 62.85 cm2
Answered by
2
62.85 cm² is the answer
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