Geometry

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Find the area of the regular polygon with the given radius. The radius of the square is 6 cm. area= apothem x perimeter/ 2

  • Geometry -

    a = y = apothem.
    X = b/2 = 6/2 = 3.
    r = 6 cm.

    X^2 + Y^2 = r^2.
    3^2 + Y^2 = 6^2.
    9 + Y^2 = 36.
    Y = 5.2 cm = a.

    P = N * L = 6 * 6 = 36 cm.

    A = aP/2 = 5.2 * 36 / 2 = 93.6 cm^2.

    Alternate Method:
    A = 2.60r^2 = 2.60 * 6^2 = 93.6 cm^2.
    HEX. only.

  • Geometry -

    Find a area 6cm

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