數學科

Symbols for MM Type 
N = Notes 
I = Interaction

F.1 - 3

Topic Description MM Type
Geometry > Polygon Draw polygons and measure each external angles immediately. Users can move vertices to the "centre" of the polygon to discover that combining all the external angles really forms a "circle".

I

Geometry > Triangle > Centres of a Triangle Show the orthocentre, centriod, circumference and incentre and the corresponding circles and lines, for triangles of different shapes

I