Question

On an aerial photograph, the surface of a pond appears as circular region of radius 7/16 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?A. 1.3B. 2.4C. 3.0D. 3.8E. 5.0

Answer 1

C

Explanation:

We are to find the area of a circle with radius (7/16) 2=7/8 miles. Now the area of circle is \pi r². It is closer to 3 then 2.4. It is between those numbers.