Complete the proof to show that abcd is a
parallelogram.
bc || ad and cd || bā because the
therefore,
abcd is a parallelogram because both pairs of opposite
sides are parallel
b(-3,4)
_c(2,2)
lengths of consecutive sides are not equal
slopes of opposite sides are equal
lengths of opposite sides are equal
slopes of consecutive sides are not equal
-5-4
-3
a(-2,-2)
d(3-4)
the slope of is 4-2--
the slope of ad is 4-4-3) -
2 - -
save and exit
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subunit