Concept explainers
To find the relationship between formulae of circumference and area of a
Answer to Problem 33HP
Explanation of Solution
Given information:Circumference
The common variable of both the formulae of ‘a’ and ‘c’ is the radius ‘r’. On replacing this value of the radius in each of the equations, the relationship between area and circumference can be determined.
Circumference
or,
Also, area of circle
or,
Replacing the value of ‘r’ that is derived from the circumference equation and putting it in the equation of area.
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