A square canopy is supported on 4 corners by poles. Each pole is supported by 3 cables, each cable is attached to the top of the 12 foot pole and 5 feet away from the base. Find he total length needed for all of the cables.

Question

A square canopy is supported on 4 corners by poles.  Each pole is supported by 3 cables, each cable is attached to the top of the 12 foot pole and 5 feet away from the base.  Find he total length needed for all of the cables.

Damon · Answer

12 cables length of one = L L^2 = 144 + 25 = 169 L = 13 (just in case you do not know about 5, 12, 13 triangle) 12 * 13