AMC 8 1988 Problem 9
AMC8 1988 年第 9 题
三角形★★☆☆☆
Problem An isosceles triangle is a triangle with two sides of equal length. How many of the five triangles on the square grid below are isosceles?
等腰三角形是有两条边长度相等的三角形。下面方格网格上的五个三角形中有多少个是等腰三角形？
- A.1
- B.2
- C.3
- D.4
- E.5
正确答案 · Correct Answer
D
解析 · Solution
解析整理中
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