Given:
There are given that the sum of their area is 1,800,000 square miles.
Step-by-step explanation:
Let a is the area of desert B.
So,
The area of desert A is:
According to the question:
The sum of the area is 1800000.
So,
Final answer:
Hence, the area of each desert is shown below:
The area of desert A is:
And,
The area of desert B is;