Question 989500
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Area of ends=2 half circles={{{2(1/2)(pi)r^2=(pi)r^2}}}
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Area of flat side=diameter x height=2rh
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Area of curved side={{{(1/2)(pi)diameter(h)=(pi)rh}}}
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Surface area=(area of ends)+(area of flat side)+(area of curved side)
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Surface area={{{(pi)r^2+2rh+(pi)rh}}}
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Surface area={{{r((pi)r+2h+(pi)h)}}}