Protractor

Practice using a protractor. Drag the blue points to give yourself a new angle to work on.  Line up the red points to use the protractor. Press the Angle button to show and hide the answer

Tags: protractor, angle

Discovering Pythagoras

One of many ways of rearranging things to see Pythagoras Theorem. Click Step twice to see regions Drag red points to move them.

Tags: pythagoras, triangle