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OpenStudy (anonymous):
Find the surface area of a cone with radius 5 and slant height 8. Use SA πr = ² + πr and π≈3.14 ) 55.1 units² b) 204.1 units² c) 78.5 units² d) 125.6 units²
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OpenStudy (anonymous):
slant surface A=pirl=3.14*5*8=125.6units^2
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