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 June 10th, 2017, 01:18 PM #1 Newbie   Joined: Jun 2017 From: Tbilisi Posts: 2 Thanks: 0 Need Help solving this exercise
 June 10th, 2017, 01:34 PM #2 Math Team   Joined: Jul 2011 From: Texas Posts: 2,751 Thanks: 1401 label the circle center O connect OP, OA, and OB to form two congruent 30-60-90 triangles OA = OB = 10 use the known ratios of the sides of a 30-60-90 triangle to determine AP, BP, and OP "S" is the shaded area = $\dfrac{300\sqrt{3}-100\pi}{3}$ = sum of the areas of triangles OAP and OBP minus the area of sector AOB

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