A circle has radius 10 cm. Calculate its area and express the result in terms of π.
Answer
100π cm²
The correct answer is 100π cm² — Hence the area is cm².
Step-by-step solution
- Area of a circle: .
- Square the radius: .
- Multiply by π: .
- Hence the area is cm².
Common mistake: Using diameter instead of radius
Concept tested: Area of circle
Published · How this solution was prepared and checked
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