## Unit 15 Section 4 : QuadrilateralsThere are many special types of quadrilaterals; the following table lists some of them and their properties.
It is important to remember that a particular shape can fit into more than one description.
We always use the NOTE: The diagonals of a quadrilateral are the lines connecting opposite corners.
(a) Which quadrilaterals always have four sides the same length?
(b) Which quadrilaterals do not always have two pairs of parallel sides?
(c) Which quadrilaterals always have diagonals which meet at right-angles?
## ExercisesWork out the answers to the questions below and fill in the boxes. Click on the button to find out whether you have answered correctly. If you are right then will appear and you should move on to the next question. If appears then your answer is wrong. Click on to clear your original answer and have another go. If you can't work out the right answer then click on to see the answer.
You have now completed Unit 15 Section 4
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