Quadrilaterals
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Quadrilateral just means "four sides"
(quad means four, lateral means side).
Any four-sided shape is a Quadrilateral.
But the sides have to be straight, and it has to be2-dimensional.
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Properties
- Four sides (edges)
- Four vertices (corners)
- The interior angles add up to 360 degrees:
Try drawing a quadrilateral, and measure the angles. They should add to 360°
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