Math and Arithmetic

A quadrangle that has at least 1 right angle?

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2011-09-10 17:11:03

a square

* * * * *

It need not be a square. It is simply a right angled


It can be a trapezium, kite, arrowhead, rectangle or square.

It cannot be a parallelogram or rhombus - other than a rectangle

or square respectively.

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