✏️ Practice Exercises

3D Geometry

3 problems · Easy to Hard · Type your working · AI checks your steps

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How to use these exercises

Read the question → work it out step-by-step in the box → click Check My Working to get AI feedback. Use hints if stuck. Reveal the full solution only after you have tried.

01

easy

Volume of a cube with side 6:

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s³.

Your Working

02

medium

Volume of a cylinder r=5, h=10 (π=22/7):

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πr²h.

Your Working

03

hard

A sphere has volume 36π. Find its radius.

💡 Show hint

(4/3)πr³ = 36π.

Your Working

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