UCSI International School Mensuration Surface Area and Volume Problems 14.1.16 43 min 39 marks To be completed in class and at home 1. The surface area of a sphere with radius is = 4πr2. r A Calculate the surface area of a sphere with a radius of 5 centimetres. cm2 Answer …….…….……………… [1] 2. NOT TO SCALE NOT TO SCALE The diagram above shows a cuboid and its net. Calculate the total surface area of the cuboid. cm2 Answer (a) ……………….…………… [3] (b) Calculate the volume of the cuboid. cm3 Answer (b) ……………….…………… [2]
UCSI International School Mensuration Surface Area and Volume Problems 14.1.16 43 min 39 marks To be completed in class and at home 1. The surface area of a sphere with radius r is A = 4πr2. Calculate the surface area of a sphere with a radius of 5 centimetres. Answer …….…….……………… cm2 [1] 2. NOT TO SCALE NOT TO SCALE The diagram above shows a cuboid and its net. Calculate the total surface area of the cuboid. Answer (a) ……………….…………… cm2 [3] (b) Calculate the volume of the cuboid. Answer (b) ……………….…………… cm3 [2]