Homework Help: geometry

Posted by damon on Thursday, December 8, 2011 at 12:06pm.

a parallelogram has the vertices (-1,2), (4,4), (2,-1), and (-3,-3). determine what type of parallelogram. find the perimeter and area. i found the parallelogram part and its a rhombus but i cant find the perimeter and area

geometry - Reiny, Thursday, December 8, 2011 at 12:40pm
You must have found the length of each side to determine it was a rhomus
I found each side to be √29
so just take 4√29 for the perimeter.

the area of a rhomus = (1/2)product of their diagonals
so just find the length of the diagonals and go from there.

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