Which of the following are parallel line?

Which of the following lines are parallel.

Which of the following represents line segment?

Which of the following lines are intersecting?

Which of the following pairs of lines are parallel? Why?

Which of the following pairs of lines are parallel ? Why?

Which of the following are models of parallel lines, perpendicular lines. i) Railway tracks. ii) Opposite edges of black board, iii) Adjacent sides of paper.

Which of the pairs of lines are parallel? Why?

Which of the pairs of lines are parallel? Why?