Quantcast XP Math - Forums - View Single Post - This is about MathCounts
View Single Post
Old 05-04-2010   #15
shadow123blast

 
shadow123blast's Avatar
 
Join Date: Feb 2010
Posts: 117
Default number 5

5. The points (4, 0) and (−4, 0) are two non-consecutive vertices
of a rhombus with an area of 80 square units. One of the other
vertices is (0, K) where K > 0. What is the value of K?
shadow123blast is offline