one or 1
A parallelogram is a rectangle when all of its angles are right angles (90 degrees). In other words, if the opposite sides of a parallelogram are equal in length and all angles measure 90 degrees, it is a rectangle.
A rectangle has 4 interior angles each measuring 90 degrees
In a parallelogram adjacent angles are supplementary, so angles are 75 degrees (A & C) and 105 degrees (B & D).
one
It is not a requirement that any of the angles are right angles (90 degrees), to qualify as a parallelogram.
90 degrees - the parallelogram is a rectangle (or a square) if the diagonals are equal.
Technically yes although they are different shapes. Not necessarily. A parallelogram whose interior angles measure 90 degrees is a rectangle. Otherwise it is not.
A parallelogram is a rectangle when all of its angles are right angles (90 degrees). In other words, if the opposite sides of a parallelogram are equal in length and all angles measure 90 degrees, it is a rectangle.
A rectangle has 4 interior angles each measuring 90 degrees
rectangle.
In a parallelogram adjacent angles are supplementary, so angles are 75 degrees (A & C) and 105 degrees (B & D).
105 degrees
In a parallelogram adjacent angles are supplementary, so angles are 75 degrees (A & C) and 105 degrees (B & D).
In a parallelogram adjacent angles are supplementary, so angles are 75 degrees (A & C) and 105 degrees (B & D).
one
360 degrees interior and exterior
It is not a requirement that any of the angles are right angles (90 degrees), to qualify as a parallelogram.