Respuesta :

addiererdman

Answer:

9.89949 units

Step-by-step explanation:

the diagonal of a 7 by 7 square is the same as the hypotenuse of a 7 by 7 triangle. using the pythagorean theorem, you can conclude that

7²+7²=c²

49+49=c²

98=c²

√98=c

c≈9.89949 units

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