ExamPlay Light Logo
Log ind

Mathematics for IGCSE & O level - Mensuration (Section 7 - No. 2)

A sphere has a surface area of 1274 cm². Calculate its radius.
10 cm
18 cm
20 cm
12 cm

Forklaring

Surface area = 4πr². Therefore, r = √(surface area / 4π). r = √(1274 / 4π) ≈ 10 cm.

Kommentarer (0)

Reklame