Stairs provide easy access between the floors of a building; one type, ____, traverse part of the distance between floors, usually half, in one direction and traverse the remaining distance in the opposite direction.
A) straight stairs
B) L-shaped stairs
C) double-L stairs
D) U-shaped stairs

Question

Quizplus · Accepted Answer

U-shaped stairs, also known as switchback stairs, are designed to make a 180-degree turn, traversing part of the distance in one direction and the remaining distance in the opposite direction.

Stairs Provide Easy Access Between the Floors of a Building;