vibeslol12 vibeslol12

16-12-2020
Mathematics

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Please answer correctly !!!!!!!!!!!!! Will mark Brianliest pleaseeeee !!!!!!

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mathstudent55 mathstudent55

16-12-2020

Answer:

2sqrt(10)

Step-by-step explanation:

Use the Pythagorean theorem.

x^2 + 3^2 = 7^2

x^2 + 9 = 49

x^2 = 40

x = sqrt(40)

x = 2sqrt(10)

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