Well you technically need 3 dimensions and know the shape of the pool if you gave me that i could help you!!<span />
We know that it must equal 9, and that we do x•x-x+6 and find the square root
→ 
the ratio of PR to QS is 1:1 because they are congruent (equal)
If you draw a picture, you will see that PQRS is a parallelogram.
Answer:
836
Step-by-step explanation:
4 times 19 times 11
You have the right one selected.
The answer is 2:1
To find this take each side of ABC and its corresponding side on DEF, then simplify. You can treat ratios just like fractions, so simplify them in the same way.
20:10 becomes 2:1
12:6 becomes 2:1
16:8 becomes 2:1
