A flower bed will be in the shape of a sector of a circle (a pie shaped region) of radius r and vertex angle , Find r and if its area is a constant A and the perimeter is a minimum

Question: A flower bed will be in the shape of a sector of a circle (a pie-shaped region) of radius r and vertex angle , Find

A flower bed will be in the shape of a sector of a circle (a pie-shaped region) of radius r and vertex angle θ, Find r and θ if its area is a constant A and the perimeter is a minimum.

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