Find the area of the shaded region in the figure Round your

Find the area of the shaded region in the figure. (Round your answer to two decimal places.)

Solution

r = 3

Area of sector with 120 deg = pi(3)^2(120/360) = 9pi/3 = 3pi = 9.42

Area of triangle with 120deg angle and two sides equal to 3 units = (1/2)*3*3sin120

=3.90

Area of pink area = 9.42 -3.90 = 5.52

 Find the area of the shaded region in the figure. (Round your answer to two decimal places.) Solutionr = 3 Area of sector with 120 deg = pi(3)^2(120/360) = 9pi

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