SOLUTION: 1) Is it sufficient to know the slope of the sides to determine whether a quadrilateral is parallelogram? 2) Is it sufficient to know the slope of the sides to determine whether a

Question 401579: 1) Is it sufficient to know the slope of the sides to determine whether a quadrilateral is parallelogram?
2) Is it sufficient to know the slope of the sides to determine whether a quadrilateral is a rectangle?
3) Is it sufficient to know the slope of the sides to determine whether a quadrilateral is a trapezoid?
4) Is it sufficient to know the slope of the sides to determine whether a quadrilateral is a rhombus?
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
For the first three questions, it is sufficient to know the slope, since you can determine that a pair of lines is parallel if the slopes are the same. However, for 4), the slope is insufficient since you need to know that the side lengths are equal.
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