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The lengths of the sides of a triangle A are 3, 4, and 6.
Triangle B is similar to triangle A. One of the sides of triangle B has length 12.
What are the possible perimeters that triangle B could have?
This problem is taken from the World Mathematics Championships
Similar Perimeter
Age 14 to 16
ShortChallenge Level 
The lengths of the sides of a triangle A are 3, 4, and 6.
Triangle B is similar to triangle A. One of the sides of triangle B has length 12.
What are the possible perimeters that triangle B could have?
This problem is taken from the World Mathematics Championships
You can find more short problems, arranged by curriculum topic, in our short problems collection.
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