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(iv) Find the total surface area of the cylinder, if the radius of its base is 5 cm and height is 40 cm.( TI = 3.14) |
| Answer» GIVEN: For the cylinder, radius (R) = 5 cm, height (h) = 40 cm To find: Total surface area of the cylinder. Total surface area of cylinder = 2πr (r + h) = 2 × 3.14 × 5 (5 + 40) = 2 × 3.14 × 5 × 45 = 1413 cm² The total surface area of the cylinder is 1413cm² | |