The Unofficial 2012 AMC 10B Solution Guide

The Unofficial 2012 AMC 10B Solution Guide

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Motivated and enlightening solutions to the 2012 AMC 10A by former AMC (AHSME) two-time perfect scorer Mathew Crawford.We can use our knowledge of 30-60-90 right triangles to quickly find that the altitude of each equilateral triangle is ( aˆš 3)( aˆš 3) = 3 or find this length using the Pythagorean theorem. The sum of these altitudes is 3+3 = 6, which is the length of aanbsp;...


Title:The Unofficial 2012 AMC 10B Solution Guide
Author: Mathew Crawford
Publisher:Daedalus Education - 2014-10-25
ISBN-13:

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