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Home > MC2 > Chapter 6 > Lesson 6.1.4 > Problem 6-41


Find the area of the shaded portion of each circle.

  1. Remember the area of a circle is .

    To find the area of the entire circle, substitute for : Area 

    Since only half the circle is shaded, we only need half of the entire area calculated. Therefore, divide your answer by .

    It is about square units.

  1. See part (a). This time only one-fourth of the circle is shaded.