All of these stones are rectangular granite.

All of these stones are rectangular granite.

All of these stones are rectangular granite.

A farmer has a rectangular field.

What's the only non-rectangular flag?

There are several of both square and rectangular design.

Here we just sell small rectangular objects. They're called books.

The bedroom is rectangular twenty nine by sixteen.

(iv) Design of a rectangular grid coordinate system;

Depicting a rectangular border around the arrows is optional.