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Mathematics 21 Online
OpenStudy (anonymous):

A parallelogram has the vertices (0, 3), (3, 0), (0, -3) and (-3, 0). Determine what type of parallelogram . Find the perimeter and area. I already figured out that this is a rectangle, square, and rhombus. Idk how to find the perimeter and area

OpenStudy (jchick):

Are you looking for formula?

OpenStudy (anonymous):

yes please

OpenStudy (jchick):

For rectangle P=2(l+w)

OpenStudy (jchick):

That is perimeter

OpenStudy (jchick):

Now for Area: A=wl

OpenStudy (anonymous):

but how do I find out what numbers to use from coordinates?

OpenStudy (jchick):

You need to find what the sides and the width is.

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