Detailed description
Right-angled triangle A'B'C' with line drawn from B, the midpoint of A'B' to C the midpoint of A'C' forming an enclosed right-angled triangle ABC. Point A is the same point as A'.
Enlargement transformation
Right-angled triangle A'B'C' with line drawn from B, the midpoint of A'B' to C the midpoint of A'C' forming an enclosed right-angled triangle ABC. Point A is the same point as A'.