Homework Help: math

Posted by pedro on Friday, March 9, 2012 at 7:30am.

the area of a square is 49 square inches. find the number of inches in the length of a diaganol. express your answer in simplest radical form.

math - Susan, Friday, March 9, 2012 at 8:30am
A=side^2
49=s^2
s=7
Pythagorean Theorem
d=sqrt(2times7^2)
d=7squareroot2 = 7√2

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