Classify Quadrilaterals
All quadrilaterals are polygons that have four sides and four angles. Some common types of quadrilaterals are rectangles, squares, parallelograms, rhombuses and trapezoids.
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If two straight lines are parallel, they stay the same distance from each other, and they never cross or meet.
A figure formed by two lines that start at the same point. Angles are measured in degrees.
Equal in shape or size.
A quadrilateral with opposite sides that are equal in length and parallel.
A shape that has four straight sides of equal length but usually does not have right angles.
A shape with four sides of which only two are parallel.
Look around you. Can you find any triangles? Bet you can. You can probably find lots of different kinds of triangles, too, but can you name them?
So you know a lot about angles now, but can you classify them? Everything you need to know about classifying angles is right here.
How big is your classroom? Find out by learning how to find the area of a parallelogram.
Need to know the distance all the way around a figure, like your house? There is a measurement for that. It is called perimeter, and here is how to find it.