The formula for the surface area of a cuboid with the dimensions 𝒍 ... Find the total of the areas of all faces. 72 + 42 + 168 = 282 The total surface area of the cuboid is 282 cm².

All points on the surface of the shape are the same distance away from the centre – we call this distance the radius. The formula for the volume and surface area of a sphere will be given to you ...