3) The heights of two flagpoles are \(20\) feet and \(30\) feet. If the shorter pole casts a shadow of \(8\) feet, how long is the taller pole's shadow?
4) Mark wants to cut a triangular patch to make an emblem. The pattern for the emblem is a triangle with sides of \(8,8\) , and \(10 cm\) . If Mark wants to make the longest side of the cmblem \(25\) \(cm\) , how long should the other sides be?
5) On a map, the length from Cleveland to New York is \(7 cm\) , from Cleveland to Atlanta is \(10 cm\) , and from New York to Atlanta is \(13 cm\) . If on a larger map the length from Cleveland to New York is \(17.5 cm\) , what is the distance from Cleveland to Atlanta?