Answer:
20
Step-by-step explanation:
If the two triangles are similar, then corresponding sides must share a constant ratio. This means that:

Let's use the second ratio:

Multiply both sides by 12:

Hope this helps!
The equation is r x 4 = 64 , then you do 64 / 4 = 16. So 16 is ricks height.
It would be r,o beacuse of the grid cordinates in the sentence