Maths — Isosceles vs Right-Angled Triangles
The overlap is the 45-45-90 triangle.
Make it your own.
title "Isosceles vs right-angled triangles"
set I "Isosceles"
set R "Right-angled"
only "I" "Two equal sides and two equal angles; e.g. 70-70-40"
only "R" "One 90 degree angle; e.g. the 3-4-5 scalene right triangle"
intersect "I,R" "Right isosceles triangle: angles 90-45-45"