Question #4917

paul is rebuilding his mailbox post. The horizontal portion is 14inches, where a is 10 inches. The vertical post is 49 inches, Where b is 13inches. Those two pieces meet at a right angle. What is the minimum lenght necessary for the angled support, c ?

Expert's answer

minimum lenght c=sqrt(10*10+13*13)=sqrt(100+169)=sqrt(269).

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