The diameter of a cylinder is 28 cm and its height is 20 cm. The total surface area of the cylinder is

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KollegeApply · Accepted Answer

2992 cm2 The total surface area of the cylinder = 2 $\pi$r + 2r2 = 2pi (h + r) `= [2xx22/7xx14xx(20+14)]"cm"^2 ["d" = 28 cm => "r" = $\frac{28}{2}$ "cm" = 14 "cm" ] = $\frac{20944}{7}$ "cm"^2` = 2992 cm2

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