A. 8 is the answer
If the triangles are similar then their sides need to be in the same ratio. So, if 22 become 11, then the ratio is 2:1. So, for 16 it becomes 8.
Definition: Vertical Angles
Vertical angles are a pair of non-adjacent angles formed when two lines intersect.
Eric need 5 batches of paving stones to created his patio.
