find the curved surface area and total surface area of the cylinder with the following dimensions A radius 21 cm height 10 cm
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Curved surfaceurface area....
2πrh
= 2×22/7× 21×10
=1320 cm²
Total surface area....
2πr(r+h)
= 2×22/7×21(21+10)
=2772 cm²
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