Discuss the following exercises in pairs.
Use symbols in your answers
Exercise 10: Which line is parallel to line s ?
Exercise 11: Name four lines that intersect line n ?
Exercise 12: Name two lines that are perpendicular to line l ?
Exercise 13: How many lines are parallel to line n ?
Exercise 14: Does line m intersect line l ? Explain your answer.
Exercise 15: Is line q perpendicular to line n ? Explain your answer.