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 Everyday Examples
 Rectangle:  A parallelogram with four right angles.
Many quilts use rectangles in their patterns. The red and dark green quilt patches are examples of rectangles. The light green patches are rectangles and triangles. The triangular patches are sown together to form a square, which is another example of a rectangle.

Quilt

Block Quilt by Josie Goad. Photo by Geraldine N. Johnson, Blue Ridge Folklife Project, American Folklife Center, Library of Congress.