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Circular flower bed of radius 10 m: area
A circular flower bed has a radius of 10 m. Find the area of this flower bed.
Answer
Area 314.16
Step-by-step
- π × 10 × 10 = 314.16Circle area = πr²
Why it works
The area of a circle is pi times the radius squared, so the radius is squared first and then multiplied by pi.
Common mistakes
- Using 2 × 3.14 × 10, which is the circumference.
- Forgetting to square the radius and using only 3.14 × 10.