Rectangles and Squares
Discover - Find Properties
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Rectangle
A special type of quadrangle is one where all the angles are 90ยบ. This shape is called a rectangle.
The word rectangle comes from the latin words rectus which is "right" and angulus which is "angle, corner".
Side Relationships
A rectangle's opposite sides are parallel and equal. Can you prove this?
Hint
First prove they are parallel
Hint
To show they are parallel, use interior angles
Hint
You can use the AAS congruence test to show opposite sides are equal
Answer
This topic's Explanation shows the proof that opposite sides are parallel and equal
Square
A special type of rectangle is one where all sides are equal. This shape is called a square.
The word square comes from the old French word esquare which itself comes from the Latin word quadra, both of which mean "square".
