AMC 8 2016 Problem 22

AMC8 2016 年第 22 题

面积与周长（综合）★★★★☆

Rectangle DEFA below is a 3×4 rectangle with DC=CB=BA=1. What is the area of the "bat wings" (shaded region)?

wings" (shaded area) is？

AMC 8 2016 Problem 22 figure

A.2
B. $\displaystyle 2 \frac{1}{2}$
C.3
D. $\displaystyle 3 \frac{1}{2}$
E.4

正确答案 · Correct Answer

C

解析 · Solution

解析整理中

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