What is the radius of a circle whose circumference is 88 cm? (Use pi = 22/7)
A7 cm
B14 cm
C21 cm
D28 cm
Explanation
Circumference = 2 * pi * r => 88 = 2 * (22/7) * r => 88 = (44/7) * r => r = 88 * 7 / 44 = 14 cm.
Exam Relevance
- Topic: Geometry & Mensuration
- Subtopic: Circles

No Comments