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7.1 Determine the volume and surface area of the closed cylinder below. (4) (Surface Area-2r + 2rh Volume =Base area h) MARKED BY: Du

7.1 Determine the volume and surface area of the closed cylinder below. (4) (Surface Area-2r + 2rh Volume =Base area h) MARKED BY: Du 14cm 10cm 7.2 A rectangular box has a volume of 2400 cm. Its length 3 times the height. The width is 2 cm less than the height. [Let the height be x ] Calculate: 7.2.1 the height of the box. (3)

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