Question 4(Multiple Choice Worth 1 points)
(03.05 MC)
Triangles ABC and EDC are outlined on a bridge. The triangles share vertex C and angles D and B are right angles.
A new bridge structure requires triangles that are in a ratio of 1:1. If AC = 5x − 5 and EC = 3x + 9, find the distance between the top and bottom of the bridge, in feet.
7 ft
30 ft
60 ft
90 ft