Calculating angles is an interactive teaching program (ITP) which allows you to place shapes around a point and investigate their angles. You can opt to display the shapes in one, two or four quadrants. The first shape is placed on the screen in the first quadrant with one of its sides horizontal.
Calculating angles (Shockwave SWF 45Kb)
This is an interactive Flash movie file.
Calculating angles (ZIP 461Kb)
This version of Calculating angles runs on Windows based personal computers. You will need to have an unzip utility, such as WinZip for Windows or StuffIt Expander for Windows and Apple Macintosh, installed on your computer to unzip this file.
Calculating angles (Mac) (HQX 1.5Mb)
This version of Calculating angles runs on Apple Mac OS computers.
Calculating angles (PC) (EXE 845Kb)
This version of Calculating angles runs on Windows based personal computers.
Calculating angles guide (WORD 119Kb)
Calculating angles guide (PDF 150Kb)