Answer:
Scale factor of dilation = 2
Step-by-step explanation:
The bigger triangle divided by 2 to get to the smaller triangle. If you count the tiles next to the bigger triangle and the smaller one you can see that it's dilated by 2.
Hope this helps!
The lengths of all the sides have decreased by half.
So
A-B = 3 A'-B' = 6
A-B = 3 Because 6/2 = 3
This proves the scale factor is 2.
Hope this helped!
Kavitha
