An explanation of isosceles trapeziums and how to create them using set-squares.
Isosceles trapeziums are trapeziums where the non-parallel sides are of equal length. When using four set-squares to create trapeziums by placing them side-by-side, if the non-parallel sides are equal in length, the trapezium formed is an isosceles trapezium. This demonstrates a geometric property of trapeziums and the conditions for them to be isosceles. By manipulating the set-squares, you can explore different types of trapeziums.
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