

A worksheet on proving a quadrilateral is a rhombus. Students will have to solve seven problems in which they will have to draw the relevant figure (if not given) and then prove that a quadrilateral is a rhombus using one of the following criteria:
- all its sides are equal
- it is a parallelogram and has two consecutive sides equal
- it is a rectangle and one of its diagonals divides one of its angles
- is a parallelogram and its diagonals intersect at right angles
In addition, they have to prove that pairs of triangles are congruent or line segments are equal using the properties of rhombus.
Detailed solutions included.
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£2.00