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LUCKY_DIMON [66]
2 years ago
15

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!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
katen-ka-za [31]2 years ago
8 0

Answer:

12

Step-by-step explanation:

a² + b² = c²

a² + 9² = 15²

a² + 81 = 225

a² = 225 - 81

a² = 144

\sqrt{a^2} =\sqrt{144}

a = 12

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