AMC8 2025

AMC8 2025 · Q5

AMC8 2025 · Q5. It mainly tests Coordinate geometry, Distance / midpoint.

Betty drives a truck to deliver packages in a neighborhood whose street map is shown below. Betty starts at the factory (labled $F$) and drives to location $A$, then $B$, then $C$, before returning to $F$. What is the shortest distance, in blocks, she can drive to complete the route?

Betty 开卡车在社区送包裹，下图是街道图。Betty 从工厂（标为 $F$）出发，依次开往位置 $A$、$B$、$C$，然后返回 $F$。她完成路线的最短距离（以街区为单位）是多少？

(A) \ 20 \ 20

(B) \ 23 \ 23

(D) \ 26 \ 26

(E) \ 28 \ 28

Answer

Correct choice: (C)

正确答案：（C）

Solution

Each shortest possible path from $A$ to $B$ follows the edges of the rectangle. The following path outlines a path of $\boxed{\textbf{(C)}\ 24}$ units:

从 $A$ 到 $B$ 的每条最短路径都沿矩形边缘走。以下路径总长 $\boxed{\textbf{(C)}\ 24}$ 街区：

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