Generically, the shapes with two right angles are called biperpendiculars. The bottom segment is the “base”, the two sides are called “legs”, and the top is the “summit”. Base angles of a biperpendicular are right angles and equal.
Generically, the shapes with two right angles are called biperpendiculars. The bottom segment is the “base”, the two sides are called “legs”, and the top is the “summit”. Base angles of a biperpendicular are right angles and equal.