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you tube videos Alternatively: If the cubes edges are 5cm long, then you can find: a) its total surface area (of the 6 square faces) = 5cmx5cmx6 = 150 square centimetres b) its volume by multiplying length by breadth by height = 5cm x 5cm x 5cm =125cc (cubic centimetres c) the total length of all of its edges, of which there are 12 measuring 5cm each = 12 x 5cm = 60cm
The base area = 3 x 4 = 12 square cm. The volume = 1/3 height x base area = 1/3 x 5 x 12 = 20 cubic cm.
11cm x 5cm = 55cm2.
250 cm3
Volume_cube = side x side x side = 5cm x 5cm x 5cm = 125 cm3