Two rectangular rooms are similar in shaped What is ratio of the area of room A to the area of room B

Given:
Here Two rectangular rooms are similar in shaped .
Required:
We need to find the ratio of the area of room A to the area of room B
Explanation:
First we find the area of Room A
[tex]A_A=8*12=96\text{ ft}^2[/tex]now find area of room B
[tex]A_B=12*18=216\text{ ft}^2[/tex]now take ratio A to B
Final answer:
[tex]\frac{A_A}{A_B}=\frac{96}{216}=\frac{4}{9}[/tex]
The ratio of the area of room A to the area of room B is 4:9