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McGraw Hill Integrated II, 2012

MH

McGraw Hill Integrated II, 2012 View details

4. Rectangles

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Exercise 49 Page 510

Rectangles are parallelograms with a special property.

See solution.

Practice makes perfect

Let's consider the two parts of the question separately.

By definition, a rectangle is a parallelogram that has four right angles. This means that all rectangles are parallelograms.
Since not all parallelograms have a right angle, not all parallelograms are rectangles.

Subchapter links

Exercises p.508-511