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Gala2k [10]
3 years ago
10

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

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
3 0
The answer is 21 + 4x.


You find this answer by adding up all the sides.
9+12+4x= 21+4x ... you don't add 4x because it has a variable that we do not know of the value.
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