Similar Figure


About the applet

A'B'C' is the magnified figure of ABC. We obtained A''B''C'' by rotating A'B'C' arround O2. ABC and A''B''C'' are different in size, but they are the same shape.

We can say
"A''B''C'' is similar to ABC",
or A''B''C'' ABC.


How to use the applet

  • Drag the small knob to magnify and reduce A'B'C'.
  • Drag the redpoint on the small circle to rotate A''B''C'' .
  • Drag O1 to move the center of simirality.
  • Drag O2 to move the center of rotation.

Applet