Mathematics

Mathematics

Problem

A cylindrical glass has an internal radius of 7 cm7\,\text{cm} and can hold 1.2 L1.2\,\text{L} of juice when filled to the brim. a. (i) Convert the capacity of the glass into cubic centimetres. b. (ii) Find the height of the glass, correct to the nearest millimetre. c. (iii) Using the height found in part (ii), calculate the curved surface area of the glass, correct to the nearest square centimetre.

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