Math, asked by ijabmrahman, 1 year ago

A(1,2),B(6,4)C(8,9) are the vertices of the parallelogram ABCD.find the coordinate of D.

Answers

Answered by zoobi
4
let ABCD be the parallelogram
since the diagonal of parallelogram bisect each other
let the coordinates of D be (x,y)
therefore midpoint of AC=Midpoint of BD
(1+8/2,2+9/2)=(6+x/2,4+y/2)
on comparing;
x=3
y=7
D (x,y)=(3,7)

ijabmrahman: how this step cam (1+8/2,2+9/2)=(6+x,4+y/2)
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Anonymous: if don't mind sis
zoobi: this step comes by midpoint formula
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Anonymous: I no
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ijabmrahman: thnx sis
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