I really need your help this is very important I am giving more think points than my last question and I need the first question answered more important not the second much but also tell me how you got those number and what is the pattern. It is worth 19 think points

The stairs leading from the ground to the entrance of a plane forms a right triangle with the ground. if the distance of the stairs measures 22 feet and the ground distance measures 11 feet, how high is the entrance to the plane from the ground? which diagram represents this scenario? / 22ft © 22ft 11 ft 11 ft 22 it