Posted by sara 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  MathMate, 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