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When all 4 corners are right angles.
A parallelogram has two pairs of parallel sides. A rectangle has two pairs of parallel sides; therefore a rectangle is a parallelogram.
A rectangle also has four 90° angles; a parallelogram does not necessarily have four 90° angles, therefore a parallelogram may, or may not, be a rectangle.
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How does a parallelogram relate to a rectangle?
A rectangle is a parallelogram but a parallelogram is not a rectangle. A rectangle needs all 90 degree angles but a parallelogram dosnt.
How is a parallelogram and a rectangle the same?
A rectangle is a parallelogram but a parallelogram need not be a rectangle and so they are not the same.
How is a parallelogram a rectangle?
A parallelogram is not a rectangle. However, a rectangle is a parallelogram because it has two pairs of opposite sides that are parallel
Is a parallelogram a rectangle also?
A rectangle is a parallelogram, but a parallelogram is not necessarily a rectangle. This is because a parallelogram can be so many other things, like a rhombus or a square.
What is the difference between a rectangle and a parallelogram?
A parallelogram is slanted. A rectangle is not.
