Question

Examine the following diagram:

In the diagram, how many pairs of vertical angles are
shown?

Answer 1

4

Explanation:

Vertical angles are angles formed when two straight lines intersects at a point forming vertical angles that share the same vertex and are directly opposite to each other.

In the diagram given, we have the following pairs of vertical angles:

<7 and <9

<8 and <10

<12 and <14

<11 and <13

Therefore there are 4 pairs of vertical angles