How to find the perimeter of a parallelogram - GRE Quantitative Reasoning
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Question
A quadrilateral has equal sides, each with a length of 
.
Quantity A: The area of the quadrilateral.
Quantity B: The perimeter of the quadrilateral.
A quadrilateral has equal sides, each with a length of
Quantity A: The area of the quadrilateral.
Quantity B: The perimeter of the quadrilateral.
Answer
We are told that the shape is a quadrilateral and that the sides are equal; beyond that, we do not know what specific kind of kind of quadrilateral it is, outside of the fact that it is a rhombus. The perimeter, the sum of the sides, is 
.
If this shape were a square, the area would also be 
; however, if the interior angles were not all equivalent, the area would be smaller than this.
The relationship cannot be determined.
We are told that the shape is a quadrilateral and that the sides are equal; beyond that, we do not know what specific kind of kind of quadrilateral it is, outside of the fact that it is a rhombus. The perimeter, the sum of the sides, is
If this shape were a square, the area would also be
The relationship cannot be determined.
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