A heart-shaped cake can be made by using square and circle-based cake tins. The height of both cake tins is [[$ 7 $]] cm and the side length of the square-based tin is [[$ 20 $]] cm. The square-based tin is suitable for a four-egg cake. How many eggs do you need to make a heart cake?

Take a picture of your solution and return it to the submission folder.

Answer: You need eggs.