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18 August, 15:45

The perimeter of a triangle is 64cm, the sides are the ratio 6:5:5, work out the area of the triangle

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  1. 18 August, 16:04
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    The area is 192 cm^2

    the sides are 20 20 24 with the base being 24

    to figure out the height you have to use Pythagorean theorem of the triangle cut in half so 12^2 + b^2 = 20^2

    b = 16 = height

    b*h*.5 = area 16 * 24*.5 = 192
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