Problem Solving
试题详情
题目：
A circular mat with diameter 20 inches is placed on a square tabletop, each of whose sides is 24 inches long. Which of the following is closest to the fraction of the tabletop covered by the mat?
选项:
A、5/12
B、2/5
C、1/2
D、3/4
E、5/6
答案:
C
