选择题
2020 AMC 8 Problem 18: Rectangle in Semicircle
Rectangle ABCD is inscribed in a semicircle with diameter FE, as shown in the figure. Let DA = 16, and let FD = AE = 9. What is the area of ABCD?
2020 AMC 8 第 18 题：半圆长方形
矩形ABCD内接于直径为FE的半圆，如图所示。设 DA = 16，FD = AE = 9。ABCD 的面积是多少
A.
240
B.
248
C.
256
D.
264
E.
272