R_A_D_AS1_S1_fig1 / Reasoning / TDT / Media

Name

R_A_D_AS1_S1_fig1

Caption

Proof by modelling.

Image

Each of the triangular numbers 6 and 10 is modelled with rows of squares. Then one shape is rotated 180 degrees so that the two triangular numbers fit together, creating a 4 by 4 square.

Image Map Code

Default object view. Click to create a custom template, Node ID: 13301, Object ID: 20984

R_A_D_AS1_S1_fig1