## Exam-Style Question on Mensuration## A mathematics exam-style question with a worked solution that can be revealed gradually |

Question id: 377. This question is similar to one that appeared on an IB AA Standard paper (specimen) for 2021. The use of a calculator is allowed.

A metal sphere has a radius 7.2 cm.

(a) Find the volume of the sphere giving your answer in standard form.

The sphere is to be melted down and remoulded into the shape of a square-based pyramid with a height of 10.3 cm.

(b) Find the length of one side of the pyramid's square base to the nearest millimetre.

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