Explanation Formula used: The diameter of the circle is given by d = 2 r o r r = d 2 , where d is the diameter and r is the radius of the circle. Circumference of a circle, C = π d o r C = 2 π r , where r is the radius of the circle and π = 3.14 . Calculation: It is given that the diameter of the circle is 11.4 m. That is, d = 11.4 m . Substitute d = 11.4 m in the above formula r = d 2 and obtain the radius of the circle as follows: r = d 2 = 11.4 m 2 = 5

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Author: SAUNDERS

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Chapter 8.4, Problem 5AE

To determine

The radius and circumference of the circle of diameter 11.4 m; using π key on the calculator and round the result to three significant digits.

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Chapter 8.4, Problem 4AE

Chapter 8.4, Problem 6AE

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