Start learning →

Right cone r=3,slant=5 cm and radius-3 cm hemisphere join flat bases. Exposed area?

A42π cm²
B24π cm²
C33π cm²
D51π cm²
Answer & Solution
Correct answer: C. 33π cm²
The joined circular faces are hidden, leaving 15π + 18π = 33π cm².
Practise this question with Quill — ICSE Class 10 →

Keep practising Mensuration: Surface Areas & Volumes

Browse all Mensuration: Surface Areas & Volumes questions for ICSE Class 10, or explore more Mathematics topics.

Start a Mensuration: Surface Areas & Volumes lesson →