The next lecture was given to an 8th grade class in Paris in Spring 1983. We did the length of the circle, starting with the formula for the area. This method can be used instead of the method followed in “What is pi?” and has the advantage that it adapts easily to find the area of the sphere from the volume of the ball.
KeywordsSmall Circle Small Disc Rote Memorization Conceptual Context Small Circumference
Unable to display preview. Download preview PDF.