Question 14 • Mathematical Models with Applications - MA4072 CR
The total surface area of a cylinder is 2πr² + 2πrh. Substituting r = 9 cm, h = 6 cm, and π = 3.14 gives 2(3.14)(9²) + 2(3.14)(9)(6) = 508.68 + 339.12 = 847.80 square centimeters. The correct choice is 847.80 sq. cm.
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