SOLUTION: in an isosceles triangle two sides are three times the length of the third side. Find the length of the shortest side of the perimeter is 28 feet

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Question 1078037: in an isosceles triangle two sides are three times the length of the third side. Find the length of the shortest side of the perimeter is 28 feet
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
X%2BX%2BY=28
and
X=3Y
Substituting,
3Y%2B3Y%2BY=28
7Y=28
Solve for Y.