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Problem 381

The area of a circular region is known to be \(154 \mathrm{sq}\). in. a) What is the diameter of the circle? b) What is its circumference? (Assume \(\pi=22 / 7 .\) )

Expert verified

a) The diameter of the circle is 14 inches.
b) The circumference of the circle is 44 inches.

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Chapter 20

If the circumference of a circle is \(88 \mathrm{ft}\)., find the area of the circle. [Use \(\pi=22 / 7 .]\)

Chapter 20

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