Problem Solving
试题详情
题目：
On an aerial photograph, the surface of a pond appears as circular region of radius 
inch. If a distance of 1 inch on the photograph corresponds to an actual distance of 2 miles, which of the following is the closest estimate of the actual surface area of the pond, in square miles?
inch. If a distance of 1 inch on the photograph corresponds to an actual distance of 2 miles, which of the following is the closest estimate of the actual surface area of the pond, in square miles?选项:
A、1.3
B、2.4
C、3.0
D、3.8
E、5.0
答案:
B
