选择题

2019 AMC 8 Problem 2: Three Rectangles

Three identical rectangles are put together to form rectangle ABCD, as shown in the figure below. Given that the length of the shorter side of each of the smaller rectangles is 5 feet, what is the area in square feet of rectangle ABCD?

2019 AMC 8 题 2:三个矩形

将三个相同的矩形放在一起形成矩形ABCD,如下图所示。假设每个较小矩形的短边长度为 5 英尺,则矩形 ABCD 的面积(平方英尺)是多少

A.
45
B.
75
C.
100
D.
125
E.
150