NotBritish NotBritish

26-05-2016
Mathematics

contestada

What is the surface area of the composite figure? (Use 3.14 for π .)

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Giantkiller Giantkiller

26-05-2016

so, the Area of a sphere is going be = 4πr2 the area of a cylinder will be 2πr(h+r)

so your total area will be half of the sphere's total area that is 4πr^2/2⟹2π8^2 PLUS the cylinder's 2π8(7+8)

2π82+2π(8)(7)+π82

I hope i help

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