November 25 – 329.

Geogebra. This sangaku asks to find the size of the circles in term of each other. 7 more words

November 25 – 329.

Geogebra. This sangaku asks to find the size of the circles in term of each other. 7 more words

Circle has center with radius , and circle has center with radius . The circles overlap in the first quadrant. What is the area of this overlap? 48 more words

Today was the first day of review for the Chapter 10 test on Tuesday (12/01). Below you can find the key to the review and a blank copy in case you left it on your desk without doing a single problem…. 18 more words

The National Council of Teachers of Mathematics held a regional conference in Nashville, TN last week. Since I live in Music City, this was too good an opportunity to pass up! 711 more words

I’ve had a deep love and respect for Geometer’s Sketchpad since I was first introduced to it in 1994 as an undergraduate Math major (and aspiring math teacher) at Bryn Mawr College. 226 more words

In this part we study the third ‘undefined term’ of EG.

Imagine a flat surface which is infinitely large and has no thickness at all. 371 more words