For Exercises
The formula for the circumference of a
where
a. What is the formula when solved for
b. What is the radius of a circle with a circumference of 37.7 m? Round to the nearest tenth if necessary.
a.
To find: The formula when solved for r .
Answer to Problem 6STP
Explanation of Solution
Given information:The formula for the circumference of a circle is
Calculation:
Thus, the formula when solved for r is
b.
To find:The radius of a circle with a circumference of 37.7 m.
Answer to Problem 6STP
The radius is 6 m.
Explanation of Solution
Given information:The formula for the circumference of a circle is
Calculation:The radius of a circle is
Thus, the radius of a circle with a circumference of 37.7 m is
Rounding to nearest tenth
Thus, the radius is 6 m.
Chapter 2 Solutions
High School Math 2012 Common-core Algebra 1 Practice And Problem Solvingworkbook Grade 8/9
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