In the diagram, ADC is a semicircle ABC is the arc of a circle, centre O and radius r Angle COA 3 radians Find the area of the shaded region, leaving your answer in terms of 3, and r C 0 Frad B D A

Question: In the diagram, ADC is a semicircle. ABC is the arc of a circle, centre O and radius r. Angle COA = /3 radians. Find

In the diagram, ADC is a semicircle. ABC is the arc of a circle, centre O and radius r. Angle COA = π/3 radians.
Find the area of the shaded region, leaving your answer in
terms of √3, π and r.

C 0 Frad B D A

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