There is no special name for such a shape.
There is no special name for such a shape.
A right triangle has three sides and one right angle.
A right angle.
a square
It could be a kite, an arrowhead or an irregular quadrilateral with a right angle - which has no specific name.
there is no unique name for a shape like that as it would just be called an irregular quadrilateral
There is no specific name for such a shape.
Pentagon
It is two right angles because in order for you to have it on a point the it would be an angle.
A 90 degree angle is also known as right angle. A right angle (or 90 degrees) looks like an L shape. A square or rectangle's four corners are all 90 degrees.
From its right angle. right angle --> rect angle.