2 A curb is 4 inches high. The ramp from the sidewalk to the street follows the same guidelines as other ramps (no more than 4.8 degrees, so a 1: 12 ratio of vertical to horizontal). What is the horizontal distance for a ramp with a 4 inch vertical distance? Image not drawn to scale. I 10 -flared side Flared sides smoothly connect the ramp to the sidewalk. The guidelines say the flared sides must be no more than 5.7 degrees (1: 10 ratio of vertical to horizontal). What is the horizontal distance for flared sides with a 4 inch vertical distance? 2