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.

Which of the following is incorrect with respect to Pythagoras theorem?

Options

A. It is applicable to right angled triangle.
B. It is also known as Baudhayan theorem.
C. The square of hypotenuse is equal to the sum of square of other two sides.
D. It is applicable to all type of triangle.

Answer

D