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Crazy boy [7]
2 years ago
6

Find m I need helppp pleasee !!!

Mathematics
1 answer:
barxatty [35]2 years ago
6 0

Answer:

hope this will help you (✿^‿^)

Step-by-step explanation:

by Pythagorean theorem

h²=p²+b²

12²=9²+b²

b²=12²-9²

b=√63

b=7.9372

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