Question

Two equal sides of a triangle are each 4m less than three times the third side. Find the dimensions of the triangle, if its perimeter is 55m.

Answer 1

x=3y-4

perimeter = 3y-4 +3y-4 + y = 7y-8

55=7y-8

63 = 7y

9 = y

AB=BC=X=3Y-4=27-4=23m

AB=BC=23m

CA=9m

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