Counting Perpendicular Lines: Geometric Diagram Analysis Exercise

Question

How many pairs of perpendicular lines are there in the diagram?

00:00 How many perpendiculars are there in the drawing?

00:03 A perpendicular creates a right angle at the intersection point between the lines

00:07 Let's mark and count all the right angles

00:12 And this is the solution to the question

Remember that perpendicular lines are vertical lines that form a right angle of 90 degrees between them.

The right angle we have in the drawing is angle ABC.

The lines that form the angle ABC are AB and BC.

Since we have one marked angle in the triangle, we must have a pair of perpendicular lines.