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OpenStudy (anonymous):
Find the length of the diagonal of the rectangle. rectangle with sides 12 inches and 7 inches and diagonal length x A. 13.0 in B. 13.4 in C. 13.6 in D. 13.9 in
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OpenStudy (saifoo.khan):
Diagonal means Longest side. \[12^2 + 7^2 = L^2\]
OpenStudy (saifoo.khan):
\[l=\sqrt{7^2+12^2}\]
OpenStudy (saifoo.khan):
D
OpenStudy (saifoo.khan):
D. 13.9 in
OpenStudy (anonymous):
thank you !!!!! :]
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OpenStudy (anonymous):
D.13.9
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