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irinina [24]
3 years ago
7

please help me if you can if your going to say I'm cheating i don't care cause i know I'm not thanks!!​

Mathematics
1 answer:
Colt1911 [192]3 years ago
6 0

Answer:

13.9 sorry if I'm wrong just trying to help.

Step-by-step explanation:

first plug in your numbers

a*2+ b*2= c*2

12*12= 144

7*7=49

144+49= 193

square root of 193: 13.89244399

rounded to nearest tenth is 13.9

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