A parallelogram with four 90 degre angles is called rectangle.
A rectangle may be called a parallelogram but they are both 4 sided quadrilaterals. A parallelogram can be called a rectangle if all four angles are right angles (90 degrees). A parallelogram can be called a rhombus if all four sides are the same size. A parallelogram can be called a square if all four angles are right angles and all four sides are the same size
A parallelogram with four right angles is typically called either a Rectangle or a Square.
Generally no. If they are perpendicular, all four angles are right angles and the parallelogram is usually called a rectangle.
A parallelogram is a four sided polygon with opposing parallel sides of equal length. Then if it has four right angles, the polygon becomes a rectangle.
It has four angles
it would be a square
That is called a rhombus
A parallelogram has four interior angles that add up to 360 degrees
A parallelogram does not have to be four right angles. A parallelogram is a four sided shape with two parallel lines.
There are no right angles in a parallelogram. A parallelogram only has right angles if it is a rectangle, in which case it has exactly four.
A parallelogram.Types of parallelogram:Rhomboid - A quadrilateral whose opposite sides are parallel and adjacent sides are unequal, and whose angles are not right anglesRectangle - A parallelogram with four angles of equal sizeRhombus - A parallelogram with four sides of equal length.Square - A parallelogram with four sides of equal length and four angles of equal size (right angles).