Mathematical measurement

Find the ratio of the longest side to the perimeter of the​ right-triangular-shaped billboard.
A scalene triangular billboard that says "Ski Whitetop" is designed to look like a snow-peaked mountain with a road leading up to the peak. The peak of the billboard is a right angle. The shorter side that is part of the right angle is labeled 3 feet. The longer side that is part of the right angle is labeled 4 feet. The third side of the billboard is labeled 5 feet. 3 feet4 feet5 feet

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  1. sure looks like 5:12 to me

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