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Geometry

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2 equal circles in rectangle. if area of rectangle is 50 cm squared, wht is the radius in cm of each circle?

  • Geometry -

    X = Hor. side of recangle.
    Y = Ver. side of rectangle.

    Ar = X*Y = 50cm^2.

    X = 2r1 + 2r2,
    X = 2r1 + 2r1 = 4r1.

    y = 2r1 = 2r2.

    Ar = X*Y = 50,
    4r1 * 2r1 = 50,
    8r1^2 = 50,
    r1^2 = 6.25,
    r1 = 2.5cm = r2.

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