HMMT 十一月 2013 · 冲刺赛 · 第 3 题

HMMT November 2013 — Guts Round — Problem 3

专题: Discrete Math / 离散数学
难度: L3
来源: HMMT

题目详情

[ 5 ] A square is inscribed in a circle of radius 1. Find the perimeter of the square. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HMMT NOVEMBER 2013, 9 NOVEMBER 2013 — GUTS ROUND 2 2

解析

[ 5 ] A square is inscribed in a circle of radius 1. Find the perimeter of the square. √ √ √ 8 √ Answer: 4 2 OR The square has diagonal length 2, so side length 2 and perimeter 4 2. 2 2 2