Surface Area of a Cylinder - Free Printable

Educational worksheet: Surface Area of a Cylinder. Download and print for classroom or home learning activities.

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1) Surface Area = 2πr² + 2πrh = 2π(3)² + 2π(3)(7) = 2π(9) + 2π(21) = 18π + 42π = 60π ≈ 188.50 cm²
2) Surface Area = 2πr² + 2πrh = 2π(1.5)² + 2π(1.5)(1) = 2π(2.25) + 2π(1.5) = 4.5π + 3π = 7.5π ≈ 23.56 ft²
3) Surface Area = 2πr² + 2πrh = 2π(0.9)² + 2π(0.9)(4.2) = 2π(0.81) + 2π(3.78) = 1.62π + 7.56π = 9.18π ≈ 28.84 m²
4) Surface Area = 2πr² + 2πrh = 2π(2.6)² + 2π(2.6)(3.4) = 2π(6.76) + 2π(8.84) = 13.52π + 17.68π = 31.2π ≈ 98.02 cm²
5) Surface Area = 2πr² + 2πrh = 2π(2.5)² + 2π(2.5)(9) = 2π(6.25) + 2π(22.5) = 12.5π + 45π = 57.5π ≈ 180.64 in²

Parent Tip: Review the logic above to help your child master the concept of volume of cylinders worksheet answers.

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