AMC 8 2015 Problem 19

AMC8 2015 年第 19 题

坐标几何★★★☆☆

A triangle with vertices as A=(1,3), B=(5,1), and C=(4,4) is plotted on a 6×5 grid. What fraction of the grid is covered by the triangle?

三个顶点为 A＝(1,3)，B＝(5,1)，C＝（4,4）的三角形画在一张 6ｘ5 的方格纸上，这张方格纸上被三角形覆盖的面积所占总面积的比例是多少？

AMC 8 2015 Problem 19 figure

A. $\displaystyle \frac{1}{6}$
B. $\displaystyle \frac{1}{5}$
C. $\displaystyle \frac{1}{4}$
D. $\displaystyle \frac{1}{3}$
E. $\displaystyle \frac{1}{2}$

正确答案 · Correct Answer

A

解析 · Solution

解析整理中

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