返回题库

HMMT 二月 2008 · GEN2 赛 · 第 9 题

HMMT February 2008 — GEN2 Round — Problem 9

专题
Contest Math / 竞赛数学
难度
L3
来源
HMMT

题目详情

英文原题

  1. [ 6 ] Let ABC be a triangle, and I its incenter. Let the incircle of ABC touch side BC at D , andlet lines BI and CI meet the circle with diameter AI at points P and Q , respectively. Given BI =
    6 , CI = 5 , DI = 3, determine the value of ( DP/DQ ) .2
解析

英文解析

  1. [ 6 ] Let ABC be a triangle, and I its incenter. Let the incircle of ABC touch side BC at D , andlet lines BI and CI meet the circle with diameter AI at points P and Q , respectively. Given BI =
    6 , CI = 5 , DI = 3, determine the value of ( DP/DQ ) .2
    Answer: Same as Geometry Test problem 9.75
    64