SOLUTION: each of the sides of an isosceles triangle is three times as long as the third side. If the perimeter of the triangle is 28cm find the length of each side of the triangle

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Question 281526: each of the sides of an isosceles triangle is three times as long as the third side. If the perimeter of the triangle is 28cm find the length of each side of the triangle
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
p=Aside+Bside+Cside
a+b+c=28
a=3c
b=3c
so 3c+3c+c=28
7c=28
c=4cm
a=12cm
b=12cm