Help help help please

Jimmy Zelinskie asked Aug 9, 2022

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45 votes

Jimmy Zelinskie asked Aug 9, 2022

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18 votes

Answer:

Explanation:

a² + b² = c²

a² + 9² = 12²

a² + 81 = 144

a² = 63

a = √63

Liuzhijun answered Aug 14, 2022

2.6k points

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