Prove that (4,-1) (6,0) (7,2) and (5,-1) are the vertices of the rhomu

1.	Prove that (4,-1) (6,0) (7,2) and (5,-1) are the vertices of the rhomus.
Answer» Distance formula use krege if we teke A(4,-1) B(6,0) C(7,2) D(5,-1) than find the dist of AB CD BC DA they should be equal By distance formula find out the distance of the diagonals and by section formula check whether they have same mid point

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