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maths -circle

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A chord of length 10 cm divides a circle of radius 5root2 cm in two segments. find the area of minor segment.

  • maths -circle - ,

    You know that the area of a segment is

    a = 1/2 r^2 (θ-sinθ)

    Draw a diagram. It is clear that
    sin θ/2 = 5/5√2, so θ/2 = π/4

    Now plug and chug

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