Equal horizontal length vs. not

All examples in this Problem are pairs of straight line segments.

This problem communicates the idea of projected distance, in this case from 2D to 1D (x-axis).

Leo Crabbe

Lines of equal horizontal length vs. lines of unequal horizontal length

All examples in this Problem are pairs of straight line segments.

The idea being communicated is projected distance, in this case from 2D to 1D (x-axis)

Leo Crabbe

og

aron David dFairbank