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Mathematics, 08.10.2019 06:00 brianaduenas619

What is the perimeter of a triangle with side lengths of 9, 12, and 4x?

1. 25
2. 25 + x
3. 21x
or
4. 21 +4x

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What is the perimeter of a triangle with side lengths of 9, 12, and 4x?

1. 25
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