Mathematics 4024 · O Level · Surface area and volume

Surface area and volume — practice question

The combined volume of two cubes is $152\text{ cm}^3$. One cube has an edge length of $5\text{ cm}$.

(a)[2]

Calculate the length of the edge of the second cube.

(b)[1]

Find the total length of all the edges on the larger cube.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Method: write $152$ as $5^3 + x^3$” …