yes it does like a square or a rectangle, but not all 4 sided shapes have a right angle like a rhombus.
A square and a rectangle both have 4 right angle corners.
Not normally but in the shape of a rectangle it has 4 right angles.
A right angle triangle
A shape that consists of 4 points, 2 rays, and 1 right angle is a right triangle. In this triangle, the two rays represent the legs that form the right angle while the third side connects the endpoints of these rays. The four points can be the three vertices of the triangle and an additional point, such as the right angle's vertex. Thus, the answer is a right triangle.
A square and a rectangle.
square
Square
An example is an A4 sheet of paper. There is a right-angle in each corner, 4 right-angle in total. So, basically, an angle in a shape is a change of direction.
A square or a rectangle.
polygon
A four-sided shape with one right angle is a quadrilateral. There is no more specific term, unless it has more than one right angle or has equal sides.
Rhombus :)