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Quadrilaterals. What is a quadrilateral?. Polygon (closed figure with no curved sides) 4 Sides 4 Angles. You can name and sort quadrilaterals by looking at their sides and angles . Trapezoid. Type of quadrilateral One pair of parallel sides
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What is a quadrilateral? • Polygon (closed figure with no curved sides) • 4 Sides • 4 Angles
You can name and sort quadrilaterals by looking at their sides and angles.
Trapezoid • Type of quadrilateral • One pair of parallel sides • The sizes of the angles are not always the same
Parallelogram • 2 pairs of parallel sides • 2 pairs of equal sides
Rhombus • 2 pairs of parallel sides • 4 equal sides
Rectangle • 2 pairs of parallel sides • 2 pairs of equal sides • 4 right angles
Square • 2 pairs of parallel sides • 4 equal sides • 4 right angles