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Posted by on Thursday, February 23, 2012 at 8:37pm.

the base of an isoscels triangle is 4x long. the altitude to the base is 3x cm long. Find the length of one other side of the triangle

  • geometry - , Thursday, February 23, 2012 at 10:35pm

    Half base = 4x/2=2x
    altitude =3x
    Half of an isosceles triangle is a right triangle, so use Pythagoras theorem to get
    Other side = √((2x)^2+(3x)^2)
    =(√13)x

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