Answer:
30.39 inches
Step-by-step explanation:
6.9 times 3.1=21.39 will give you the area of the long rectangle and to get the small square you ust subtract 6.1-3.1 to get the other side of the square so now you times 3 and 3=9.
9+21.39=30.39
Step-by-step explanation:
Area of a square = length²
length= 3 inch
Area of the square= 3²
=9inch²
