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Algebra 2 Glencoe CCSS Edition page 17 problem 68

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The formula for the area A of a circle with diameter d is A = π (d/2)^2. Write an expression to represent the area of the circle.

asked Aug 4, 2015 in ALGEBRA 2 by anonymous
reshown Jun 5 by bradely

1 Answer

0 votes

Step:1

Area of circle is .

image                          (Substitute diameter (d) = x + 3)

                          ()

                          (Evaluate power: )

Step:2

           (Using the formula )

            (Evaluate power: )

                  (Multiply: )

image                   (Commutative property: a + b = b + a)

Solution:

Area of the circle .

answered Aug 5, 2015 by Shalom Scholar
edited Aug 5, 2015 by bradely

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