2) Area of a Circle

Author:Suzanne Scippa, Linda Fahlberg-Stojanovska

Why is the base of the rectangle half of the circumference of the circle? Why did we label the x-axis with units of π and the y-axis with units of numbers?

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Tube moving at distance of a curve.
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רישום חופשי
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重疊矩形的周界
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