SOLUTION: two triangles are similar and the ratio of the corresponding side is 1:3 . what is the ratio of their perimeter ?

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Question 682234: two triangles are similar and the ratio of the corresponding side is 1:3 . what is the ratio of their perimeter ?
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

The ratio of the perimeters is exactly the same as the similarity ratio; so, it is 1%3A3.