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mart [117]
2 years ago
8

What is the answer???

Mathematics
1 answer:
muminat2 years ago
5 0

Answer:

21, 15

Step-by-step explanation:

12+9=21

the third side of a triangle must be equal to the two other sides added up to make it possible

also 15 if you're trying to make a possible right triangle

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Answer:

see explanation

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