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how to prove that all rhombus are parallelograms but all parallelograms are not rhombus

Asked by 8th March 2013, 9:48 PM
Answered by Expert
Answer : A rhombus is a parallelogram because it has two sets of opposite sides parallel. A parallelogram can have 4 congruent sides but it does not have to have them to be a parallelogram. Parallelograms are the biggest set and rhombuses are a subset of the parallelograms. All rhombuses are parallelograms but not all parallelograms are rhombuses
Answered by Expert 9th March 2013, 12:04 AM
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