total surface area of right circular come whose radius is 7 cm and slant height is 3cm is
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The formula for the Total Surface Area of a Right Circular Cone is πrl + π (r^2) .
T.S.A = [ (22/7) * 7 * 3 ] + [ (22/7) * (7^2) ]
T.S.A = 66 + ( 22 * 7 )
T.S.A = 66 + 154
T.S.A = 220 cm^2
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Step-by-step explanation:
total surface area of cone=πr(l+r)
r=7,l=3
22/7×7(3+7)
22(10)
22×10=total surface area of cylinder
220cm is total surface area of cone
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