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Which side lengths? To calculate the parallel sides, you need the height of the trapezium and one of the sides, and you substitute them into the formula:
h(a + b)/2, where h = height, a and b are the parallel side lengths.
If you want to find the sides that are not parallel, you need the parallel sides, as well as the height of the trapezium. Then, by using Pythagoras theorem, with the side length the hypotenuse, you can find their lengths.
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Polygon with 4 sides not the same length?
A trapezoid or a trapezium
Two pairs of equal length sides but opposite sides not equal length?
This is a quadrilateral. It could be a symmetric trapezium /
Facts about a trapezium?
A trapezium is a quadrilateral (has four sides). Two sides are parellel, but the other two are not. To find the area of it, the formula is: 1/2 h(a+b)
How many parallel sides has a trapezium?
How many parallel sides has a trapezium?
How many equal sides does a trapezoid have?
A trapezium can have 0, 2 or 3 sides of equal length.0 equal sidesThis is the general state of a trapezium.2 equal sidesThe two parallel sides can never be equal.The two non-parallel sides can be equal. In this case, the trapezium is an isosceles trapezium.Or one of the parallel sides can be equal to one of the non-parallel sides. No special name.3 equal sidesThese would have to be the two non-parallel sides and one of the others. The trapezium is isosceles.
