This task provides a good opportunity to use isosceles triangles and their properties to show an interesting and important result about triangles inscribed in a circle with one side of the triangle a diameter. The fact that these...

Lesson presents definitions of terms associated with circles and helps students learn to use a compass to draw circles and simple circle designs.

Need some ideas for Pi Day on March 14th? You can get some great resources at this location. There are all kinds of links available.

This site contains an extensive list of various units of measurement known internationally and across several disciplines. Unit symbols are also included.