Lesson #1: Area of Circles
The diameter of a circle is 2 times the radius. Find the area of the circle. r = 5 in. Substitute into the area formula. . Example 1: Solve for the area of a circle with a radius equal to 4 meters. (1) Area = 3.14 x (4 x 4) Apply the amounts given in the problem to the formula. (2) Area = 3.14 x 16 Multiply the numbers within the parentheses. ................
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