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Geometry 22 Online
OpenStudy (anonymous):

Show that the point (1,4),(7,0),(5,3),(-1,1) are the vertices of a rectangle and find its area.

OpenStudy (anonymous):

Put your points on a chart and see if it forms a rectangle.

OpenStudy (anonymous):

what is the formula of area of it?

OpenStudy (anonymous):

|dw:1421844815425:dw| Does that look like a rectangle?

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