To write: An inequality to determine the radius of the region.
Answer to Problem 60E
An inequality to determine the radius of the region is as follows:
Explanation of Solution
Given information:
A circular area is being roped off for a concert.
Area each person occupies =
Number of people attending the concert = P
Formula used:
Area of a
where r is the radius of the circle.
Calculation:
Area each person occupies =
Area P people occupy =
The area occupied by P people should be less than or equal to the area of the region for everyone to fit in. This can be expressed in an inequality as follows:
Chapter 5 Solutions
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