Problem Solving :: OG Triangle Question
Author: steveyb
Subject: OG Triangle Question
Posted: Fri Jan 02, 2009 2:47 pm (GMT -8)
Right triangle PQR is to be constructed in the xy-plane so that the right triangle is at P and PR is parallel to the x-axis. The x- and y- coordinates of P, Q, and R are to be integers that satisfy the inequalities -4<x<5 and 6<y<16. How many different triangles with these properties could be constructed?
(A) 110
(B) 1,100
(C) 9,900
(D) 10,000
(E) 12,1000
OA: C
Tags: Axis, Coordinates, Fri, Inequalities, Integers, Lt, Pqr, Problem Solving, Right Triangle, Triangles, Xy Plane