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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