How many figures have at least one perpendicular line?
D None of these
no correct ans is d as there are two figure that has perpendicular lines see the second figure carefully
It clearly states that "at least one perpendicular line", which means 2 will also be correct.
the answer should be C. the figure D has two perpendicular lines so it at least has one perpendicular line unlike others.
No the correct answer is d.When you will tilt the second figure you willsee a perpendicular line