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What is the area in square feet from a radius of 70 feet?what is the formula
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Middle School Teacher
The formula for the area of a circle is
π times radius ^ 2
You can use 3.14 for the value of Pi (π)
So, in your case the calculation is:
3.14 x 70 x 70 = 15,386
Since your radius was measured in feet, the answer is in square feet.
15, 386 sq. ft.
Posted by cburr on January 16, 2009 at 7:12 AM (Answer #1)
The formula of area of circle is pi r^2. You can use 22/7, 3.14 or calculator pi for your answer. It's up to you to choose
The final answer would be:
area of circle: 3.142*70^2= 15, 386 square feet
Posted by revolution on July 21, 2010 at 10:35 PM (Answer #2)
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