IXL Geometry help pls !

Answer:
The answer to your question is Area = 9 yd²
Step-by-step explanation:
Data
Big square Small square
Area = 36 yd² Area = x
Side = 6 yd Side = 3 yd
Process
1.- Use the formula of Area of a square to find it
Area = side x side
2.- Substitution
Area = 3 x 3
3.- Simplification and result
Area = 9 yd²