Question 1035550
A roof  in the shape of a half cylinder cover the Center Street ice rink. the ice rink is a rectangle having a width of 50 feet and the length of 80 feet. what is the surface area of the roof? 
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The lateral area of a cylinder is
{{{2pi*r*h}}}
1/2 of the is {{{pi*r*h}}}
r = 25 feet