SOLUTION: the perimeter of an isosceles triangle is 21 cm the length of each side is triple the length of the base. Find the side lengths of the triangle

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Question 920196: the perimeter of an isosceles triangle is 21 cm the length of each side is triple the length of the base. Find the side lengths of the triangle
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
3x + 3x + x = 21cm
7x = 21
x = 3cm
sides: 9cm, 9cm, 3cm