Math

A piece of wire is bent into the shape of an isosceles triangle. The base angles are each 48 degree and the perpendicular height to the base is 6 cm. Calculate the length of the wire.

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  1. If the base is b, then

    (b/2)/6 = tan 48°
    Then each of the two equal sides s is
    6/s = sin 48°

    Now the perimeter is just b+2s

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