Mathematics
tooty
38

A cylinder has a radius of 30 ft and a height of 19 ft. What is the exact surface area of the cylinder?

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(2) Answers
kingavisingh

[latex]A=2\pi r(r+h)\\ A=2\pi\cdot30\cdot(30+19)\\ A=60\pi\cdot49\\ A=2940\pi\hbox{ ft}^2[/latex]

KristinaWitmer629

[latex]SA=2(pi)rh+2(pi)r^2[/latex] [latex]SA=2(pi)(30)(19)+2(pi)(30^2)[/latex] [latex]SA=2(pi)(30)(19)+2(pi)(900)[/latex] [latex]SA=3581.3+5654.7[/latex] [latex]SA=9236[/latex] 9236 square feet

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