Case Study-2 : Herman has a single storey house. He decided to construct a new second storey in his house. For the construction he gave contract to a building contractor. After few days of construction he observed that there is a defect in staircase construction, like few stairs are big, few are small, all steps are not of same size. Here is teh staircase as shown in fig., connecting points A and B. Measurements of each steps are marked in the figure.

Keeping the distance of points AC, AB and BC same, what can be the possible height of each stair case?

Options

A. 1.5 units
B. 1.4 units
C. 1.3 units
D. 1.6 units

Answer

A