Key Formulas (GIVEN IN EXAM)
Part of Volume & Surface Area of Spheres · GCSE GCSE Mathematics revision
This key facts covers Key Formulas (GIVEN IN EXAM) within Volume & Surface Area of Spheres for GCSE Mathematics. Revise Volume & Surface Area of Spheres in Geometry & Measures for GCSE Mathematics with 12 exam-style questions and 3 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 2 of 4 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 2 of 4
Practice
12 questions
Recall
3 flashcards
Key Formulas (GIVEN IN EXAM)
| Volume | V = (4/3)πr³ |
| Surface Area | SA = 4πr² |
| Hemisphere Volume | (1/2) × (4/3)πr³ = (2/3)πr³ |
| Hemisphere SA | (1/2) × 4πr² + πr² = 3πr² (curved + flat) |
Keep building this topic
Read this section alongside the surrounding pages in Volume & Surface Area of Spheres. That gives you the full topic sequence instead of a single isolated revision point.
Practice Questions for Volume & Surface Area of Spheres
What is the formula for the volume of a sphere with radius r?
Explain why the total surface area of a solid hemisphere with radius r is 3πr². You must refer to both parts of the surface.
Quick Recall Flashcards
12 questions on Volume & Surface Area of Spheres — practise free
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