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Given: length, l = 8m; width, w = 5m and height, h = 6m

A cuboid is a three dimensional geometric shape consisting of the length, the width and the height.

Volume of the rectangular prism or cuboid, V = (length) * (width) * (height)

This gives: Volume, V = 8m * 5m * 6m = 240m

Given the side length of the cube, s = 7m

A cube has 6 surfaces and it is a 3-dimensional shape where each surface is a square of equal sides

Hence area of each surface = (side length)

Area of each surface = (7m)

There are ‘6’ surfaces in a cube, hence = 6 * s

Hence the total surface area of the given cube = 294m