Question 1
A circle has a radius of 21 cm. Taking π = 227, what is its area?
A circle has a radius of 21 cm. Taking π = 227, what is its area?
A circle has a diameter of 60 cm. Taking π = 3.14, what is its area?
A circle has a diameter of 168 cm. Taking π = 227, what is its area?
Five questions on this topic, marked at the end. No hints and no answers along the way — that is what makes the result mean something.
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