Respuesta :

Answer:

c:10

Step-by-step explanation:

7^2+ [tex]\sqrt{74} ^{2}[/tex] = [tex]x^{2}[/tex]

[tex]x^{2}[/tex] = 25

x =5 (but that is only 1/2 of the length you are looking for

5*2 = 10

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