Question

Shows that,(–7,12), (19,18), (15,–6), or(–11,–12) a parallelogram is generated by adding consecutive point.
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Answer 1

Answer:

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Step-by-step explanation:

A= -7,12

b= 19,18

c= 15,-6

d= -11,-12

we know that slope of a line. is given by y2-y1/x2-x1

slopes of the line is AB,BC,CD and DA are calulated as given below

AB = 18-12/19+7 =0.23

BC = -6-18/15-19 = 6

CD = -12+6/-11-15= 0.23

DA = 12+12/ -7+11= 6

we sea the slope of AB= slope of CD

and

slope of BC = slope of DA

so ABllCD and BCllDA

ABCD is a parallelogram