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Determine whether the figure with vertices R (-2, 5); O( 1,3); M(-3, -4); Y(-6,-2) is a

parallelogram. Use the Distance and Slope Formulas.

1 answer

well, the slope of RO is -2/3
If the slope of OM is 3/2, then the two are perpendicular

Or, if
RM^2 = RO^2 + OM^2
then angle O is a right angle.

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