Can you work out the dimensions of the three cubes?
The builders have dug a hole in the ground to be filled with concrete for the foundations of our garage. How many cubic metres of ready-mix concrete should the builders order to fill this hole to make the concrete raft for the foundations?
What is the volume of the solid formed by rotating this right
angled triangle about the hypotenuse?
This problem is taken from the UKMT Mathematical Challenges.