Perpendicular lines meet at a right angle (90&deg;). Look for pairs of lines in the figure that form square corners.<br><br>
&bull; Examine the figure carefully and identify every pair of lines that meet at a right angle.<br>
&bull; Count each perpendicular pair found.<br>
&bull; There are 2 pairs of perpendicular lines in the figure.<br><br>
Final Answer: 2