8 A construction manager is planning to build a ramp for wheelchair access to a building entrance The ramp will be in the shape of a right angled triangle The height of the building entrance from the ground is 5 feet and the desired slope of the ramp should not exceed a 1 12 ratio i e for every 1 unit of vertical rise there should be 12 units of horizontal run a Calculate the length of the ramp the hypotenuse of the right angled triangle that meets the 1 12 slope requirement C 4 4 5A 60 60 52 C 60 2 Ft b If the construction manager has limited space and can only build the ramp to a maximum length of 15 feet determine the maximum allowable height for the building entrance while still meeting the 1 12 slope requirement 15 60 2 60 2 15 5 X 1 25 F X 6 X 60 2 15