McGraw Hill Glencoe Geometry, 2012
MH
McGraw Hill Glencoe Geometry, 2012 View details
3. Areas of Circles and Sectors
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Exercise 1 Page 800

The area of a circle with radius is calculated using the formula below.
From the figure, we know that the radius of the circle is By substituting for in the formula, we can calculate
The area of the circle is approximately square yards.