Whats the perimeter of a circle whose radius is 2.8 cm?
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- Area of the circle = 24.64 cm²
- Perimeter of the circle = 17.6 cm
Step-by-step explanation:
Area of the circle = πr²
= 3.14×2.8×2.8
= 24.64 cm²
Perimeter of the circle = 2πr
= 2×3.14×2.8
= 17.6 cm
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