GMAC Practice Exam DS question #9

This topic has expert replies
Source: — Data Sufficiency |

Senior | Next Rank: 100 Posts
Posts: 83
Joined: Mon Oct 22, 2007 4:44 am
Thanked: 1 times

by its_me07 » Mon Feb 11, 2008 3:35 am
We have to find the coordinates of the remaining vertice and the other two vertices are (0,0) and (6,0) .
since x-co rdinates avg is 3 so (x + 0+ 6)/3=3 so x=3
since y-cordinates avg is 2 so (y + 0 + 0)/3=2 so y=6.

Hope this helps.