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Ksju [112]
3 years ago
14

Please help me. I don’t know the answer to this problem

Mathematics
1 answer:
mixer [17]3 years ago
6 0

Answer:

12

Step-by-step explanation:

Following the converse of the Pythagorean Theorem, you can say that b = 15*15 - 9*9 = sqrt(144)=12

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