Complete a coordinate proof showing quadrilateral ABCD, given by the following A(3,8), B(2,5), C(5,4) and D(6,7) is a square. Then find the perimeter and area of this square and be sure to show all work.
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use distance formula for AB, BC, CD and AD
if they are equal, it could be a rhombus or a square
to prove it's a square Draw BD and AC and prove them equal by distance formula
distance formula=root of [(x2-x1)^2+(y2-y1)^2]
if they are equal, it could be a rhombus or a square
to prove it's a square Draw BD and AC and prove them equal by distance formula
distance formula=root of [(x2-x1)^2+(y2-y1)^2]
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