In the figure, polygon ABCD is transformed to create polygon A'BCD. This transformation is a _
by a factor of ___

First box:
Horizontal stretch
Vertical stretch
Dilation

Second box:
0.5
1
1.5
2

Zack notices that segment nm and segment pq are congruent in the image below: which step could him determine if δnmo ≅δpqr by sas? (5 points) segment mo ≅ segment qr segment on ≅ segment qp ∠ n ≅ ∠ r ∠ o ≅ ∠ q