Square on a Cartesian Coordinate System - Feb. 21-25, 1994 Let ABCD be a square located on a Cartesian coordinate system with A at the origin, B on the y axis, and D on the x axis.P is a point in the interior of the square that is 3 units from A, 5 units from D, and 7 units from B. What is the length of a side of the square? Correct solutions to the problem were submitted by: Jin Park, 11th grade, Fairfield HS, Connecticut Anonymous father We received solutions from the students listed below. They all came close with their method, though they certainly aren't as accurate as the first two. Their answers are also included. Gino Perrotte Grade 10, Shaler Area High School, Pittsburgh Chris Stromoski Grade 10, Shaler Area High School, Pittsburgh Kelly Hester Grade 10, Shaler Area High School, Pittsburgh Stacy Hester Grade 10, Shaler Area High School, Pittsburgh Next problem || Previous problem || Table of Contents || Forum Home Page