A metal rod is placed in a rectangular box as shown in the figure. How long is the rod? Round your answer to the nearest tenth o
f an inch, if necessary.
A. 5.0 in. B. 12.1 in. C. 13.4 in. D. 14.2 in.
1 answer:
Fist we find the legnth of the diagonal
a^2+b^2=c^2
3^2+4^2=c^2
9+16=c^2
25=c^2
c=5
now the other diagonal
11^2+5^2=c^2
121+25=c^2
146=c^2
sqrt both sides12.083
closest is B
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