HOW TO USE THIS APPLET

The graph area

• Drag any vertex of either triangle to reposition it.
• SHIFT-Drag any vertex of either triangle to reposition it horizontally or vertically.
• Drag the highlighted location in the interior of either triangle to reposition the entire triangle.
• SHIFT-Drag the highlighted location in the interior of either triangle to reposition the entire triangle horizontally or vertically.
• Click the side of a triangle to reflect the triangle about that side.
• Drag the faint horizontal line through the highlighted location in the interior of either triangle to rotate the triangle.
• Drag the faint vertical line through the highlighted location in the interior of either triangle towards or away from the highlighted point to re-size the triangle.
• CONTROL-Drag any location in the graph area towards or away from the center of the graph area to rescale the triangle sides.

Other

• Use the "RENAME" button to change the names of the angles (and resulting sides).
• Use the "RESET" button to restore the applet to the initial state.

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