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.

Applet

How to use the applet

  • Drag the small knob to magnify and reduce A'B'C'.
  • Drag the red point 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.