rectangle

A four-sided plane figure with four right angles.

A right-angled triangle.

Rectangular; right-angled.

A quadrilateral plane figure having all its angles right angles and its opposite sides consequently equal.

The product of two lengths.

A right angle.

A four-sided figure having only right angles; a right-angled parallelogram.

Rectangular.

A quadrilateral having opposing sides parallel and four right angles.

a parallelogram with four right angles