A ice cream is in the shape of cone and hemisphere and the height of cone is 6cm and base radii is 30cm in diameter.
Find its TSA.
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Radius of cone and hemisphere=30/2=15cm
height of cone=6cm
slant height, L=√〈R²+H²〉
=√(15²+6²〉
=√(225+36)=√261=3√29
TSA=lateral Surface area of cone+ lateral surface are of hemisphere
=πRL+2πR²
=πR(L+2R)
=π*15*(3√29+2*15)
=(22*15)(3√29+30)÷7
=(990√29+9900)÷7
height of cone=6cm
slant height, L=√〈R²+H²〉
=√(15²+6²〉
=√(225+36)=√261=3√29
TSA=lateral Surface area of cone+ lateral surface are of hemisphere
=πRL+2πR²
=πR(L+2R)
=π*15*(3√29+2*15)
=(22*15)(3√29+30)÷7
=(990√29+9900)÷7
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