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siniylev [52]
3 years ago
15

I need help please find b​

Mathematics
1 answer:
dybincka [34]3 years ago
5 0

Answer:

12

Step-by-step explanation:

This triangle is a 3-4-5 Pythagorean Triple. 9 is 3*3, 15 is 5*3, so b is 4*3, which is 12. Alternatively, you could use the Pythagorean Theorem's converse, sqrt(15^2-9^2), and get 12.

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