SOLUTION: The distance around a circular park is 2.4 mi. How many acres does it contain?
One square mile contains 640 acres
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Question 497609: The distance around a circular park is 2.4 mi. How many acres does it contain?
One square mile contains 640 acres
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The area of a circle is given by:
The radius of a circle given the circumference is:
Combining these facts:
^2} )
Which simplifies to:
Plug in your value for the circumference (the "distance around") and do the arithmetic to get the area in square miles. Multiply the area in square miles by 640 acres per square mile. Round to the nearest 10th because your given measurement was to the nearest tenth.
John
My calculator said it, I believe it, that settles it
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