Geometric Visualization

You can’t always trust your eyes!

The Diagonal Lines are Parallel

The horizontal lines are parallel

There are no curved lines in these pictures

The red lines are parallel

The shape is a circle on the left and squares on the right

                             

                         

                             

                          

The pillars are identical in size

The red lines are the same length

You can go from corner A to corner B by climbing the stairs or by going

around a level plane.

The Impossible Triangle