Investigation: 1) Move the slider above the circle and describe what happens to the circle step by step. 2) Make a conjecture about the formula for the area of a circle and show how you develop this formula. (move the slider named hint to help you)
This work is licenced under a Creative Commons Licence.
[ youtube ][ yahoo video ]
[ blip.tv ][ vimeo ][ ifilm ]
copyright© 2007 gcsemathstutor.com. All rights reserved
A-level Physics Tutor a FREE higher physics revision resource
A-level Maths Tutor a FREE higher maths revision resource
Video & Interactive Library
Shape & Space : Area Circle (trapeziums)
Edward M. Knote, Created with GeoGebra