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 Everyday Examples
 Triangle, Right:  A triangle with only one right angle.
Red and yellow triangular patches were used to create this quilt. Since one angle in each triangle is a right angle, the red and yellow patches are considered right triangles. The quilt displays a maple leaf pattern when all the pieces are sown together.

Quilt

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

The sail on this sailboat is a right triangle because it has one right angle.

Sailboat

Courtesy of Boatsand boating.com