I hope you know the definition of the parallelogram. i.e.,In geometry, a parallelogram is a quadrilateralwith two sets of parallel sides.
so naturally rhombus and rectangle are special case of parallelogram. That means every rhombus is parallelogram similarly every rectangle is a parallelogram. But converse need not be true.
So parallelogram not necessarily a rhombus or a rectangle.
GMG.
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No. Nor is every rectangle a rhombus.
If something is both a rectangle and a rhombus, then it is a square.
isn't a rhombus called a quadrilateral rectangle rhombus * * * * * not rectangle, but this is a very strange question!
A rectangle is never a rhombus. A rhombus does not have right angles, but a rectangle does. Definition: rectangle - a parallelogram having four right angles. rhombus - an equilateral parallelogram Websites: http://dictionary.reference.com/browse/rectangle?s=t http://dictionary.reference.com/browse/rhombus?s=t
No, it is not.