+0  
 
0
44
2
avatar+2291 

Already graphed and its not a trapezoid but how do i prove it..

RainbowPanda  Nov 28, 2018
 #1
avatar+14579 
+2

Take the kines you have graphed ....calculate the slope m....and show that no two lines have the same m

ElectricPavlov  Nov 28, 2018
 #2
avatar+92814 
+2

First of all...RICK doesn't form anything

I think it should be RKIC as shown below

 

 

 

Well anyway.....since two sides of a trapezoid must be parallel.....just show that the slopes between RK and KI and IC and CR are all unequal....and two of these must be equal to have a parallelogram

 

 

cool cool cool

CPhill  Nov 28, 2018

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