Circumference and area of a circle
Find the circumference or area of a circle using 3.14 for pi. Unlimited questions, five difficulty levels, and a full worked solution every time — free.
Try one
A circular garden has a radius of 6 m. What is its area? (Use pi = 3.14.)
A = π · r2
Answer: 113.04
See one solved, step by step
A circular trampoline has a diameter of 24 m. What is its area? (Use pi = 3.14.)
A = π · r2
📘 Worked solution
1r = 24 / 2 = 12The radius is half the diameter.
2A = 3.14 · 122 = 3.14 · 144Square the radius first, then multiply by pi.
3= 452.16 m2Area is measured in square metres.
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