OCR GCSE Mathematics · J560
Specification 10.04b · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)
Revise: Cones and SpheresThe matching circular faces where the cone and hemisphere meet are internal, so neither is counted. This is why simply adding the two complete surface areas would give too large an answer.