选择题
2023 AMC 8 Problem 19: Triangle Trapezoids
An equilateral triangle is placed inside a larger equilateral triangle so that the region between them can be divided into three congruent trapezoids, as shown below. The side length of the inner triangle is 2/3 the side length of the larger triangle. What is the ratio of the area of one trapezoid to the area of the inner triangle?
2023 AMC 8 第 19 题：三角形梯形
将一个等边三角形放在一个较大的等边三角形内，这样它们之间的区域就可以分为三个全等的梯形，如下所示。内三角形的边长是大三角形边长的2/3。一个梯形面积与内三角形面积之比是多少
A.
1 : 3
B.
3 : 8
C.
5 : 12
D.
7 : 16
E.
4 : 9