## Detailed description

Cartesian plane. Interval AB is shown with A(1, 2) and B(5, 8). M is the midpoint of interval AB. Right-angled triangles ASM and BTM are drawn with right angles at S and T respectively.

Cartesian plane. Interval AB is shown with A(1, 2) and B(5, 8). M is the midpoint of interval AB. Right-angled triangles ASM and BTM are drawn with right angles at S and T respectively.