Total surface area of cone whose radius is 2 hour and slant height is 1 by 2

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Solution

Total surface area of cone = πrl +πr^2
= πr(l +r)
Given that radius 2
And slant height is 1/2
Total surface area = 3.142(1/2+2)
=6.28 (5/2)
= 3.145
= 15.7 cm2

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Total surface area of cone whose radius is 2 hour and slant height is 1 by 2

Total surface area of cone = πrl +πr^2 = πr(l +r) Given that radius 2 And slant height is 1/2 Total surface area = 3.14*2(1/2+2) =6.28 (5/2) = 3.14*5 = 15.7 cm2

Total surface area of cone = πrl +πr^2
= πr(l +r)
Given that radius 2
And slant height is 1/2
Total surface area = 3.142(1/2+2)
=6.28 (5/2)
= 3.145
= 15.7 cm2