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Anonymous
ANSWERS: 3
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A rhombus has two lines of symmetry. To see where I obtained this answer, please see the following web page: http://en.wikipedia.org/wiki/Rhombus
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1) A rhombus has at least two lines of symmetry (the diagonals). If it is a square, it has four lines of symmetry (a square is a particular kind of rhombus). 2) "Is there a rhombus with only two lines of [symmetry]? The answer is yes, if you take something like a long thing 'diamond' shape, from a cut in the folding above. Is there a different rhombus which does have more that two lines of [symmetry]? The answer is yes as well - the square does that." Source and further information: http://mathcentral.uregina.ca/QQ/database/QQ.09.03/tonia1.html 3) "A rhombus is any quadrilateral with 180° rotational symmetry and has at least 2 lines of symmetry, both of which contain a diagonal." Source and further information: http://www.ipfw.edu/math/lamaster/ma103/quads.pdf Further information: http://www.innovationslearning.co.uk/subjects/maths/information/shape_facts/shape_facts.htm
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