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Please give me the correct answer ​

Please give me the correct answer ​-example-1

1 Answer

3 votes

See below

Explanation:


A = {9}^(2) = 81 \\ \\ A = {12}^(2) = 144 \\ \\ x = √(81 + 144) \\ \\ = √(225) \\ \\ = 15\\\\A = {15}^(2) = 225

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