AMC 8 2011 Problem 16

AMC8 2011 年第 16

三角形★★★☆☆
Let A be the area of the triangle with sides of length 25, 25, and 30. Let B be the area of the triangle with sides of length 25, 25, and 40. What is the relationship between A and B?
表示边长为 25,25,30 的三角形的面积,B 表示边长为 25,25,40 的三角形的面积,那么 A 和 B 的关系是什么?
  1. A.A=916BA = \dfrac9{16}B
  2. B.A=34BA = \dfrac34B
  3. C.A=B
  4. D.A=43BA = \dfrac43B
  5. E.A=169BA = \dfrac{16}9B

正确答案 · Correct Answer

C

解析 · Solution

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