When proving that a quadrilateral is a parallelogram by using slopes, – McqOptions

MCQOPTIONS

1.	When proving that a quadrilateral is a parallelogram by using slopes, you must find:
A.	the slopes of all four sides
B.	the slopes of two opposite sides
C.	the lengths of all four sides
D.	both the lengths and slopes of all four sides
Answer» B. the slopes of two opposite sides

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