To calculate the circumference and area of the
Answer to Problem 31SR
Circumference
Explanation of Solution
Given information:
Radius
Formula used:
Circumference of circle
Area of circle
Where ‘r’ is the radius of the circle.
For calculation, value of
Calculation:
Circumference of circle
Formula for circumference.
Putting the value of radius ‘r’.
On simplifying the expression
Rounding the result to the nearest tenth.
Area of circle
Formula for area
Putting the value of ‘r’ in the expression.
On further simplification
Rounding the result to the nearest tenth.
Chapter 11 Solutions
Pre-Algebra, Student Edition
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