Which of the following are the perfect models of two perpendicular lines?

Question

Options:

A . Corners of a triangular shaped table( its not a right angled triangle)

B . Railway tracks

C . Adjacent walls of a rectangular room.

D . The line segments that make the 'T' shape

Answer: Option C
:
C and D

Corners of a triangular table which is not a right angled triangle are not perpendicular to each other.

Railway tracks are parallel.

The adjacent walls of a rectangular room are perpendicular to each other, so are the line segments that make 'T'.

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