Answer:
The area of the board in square millimeters is:
1200000 square millimeters.
Explanation:
The length of the rectangular board is: 1.5 meters.
and the width of the rectangular board is: 0.8 meters.
We know that:
1 meters= 1000 millimeters
This means that:
The length of the rectangular board is: 1500 millimeters.
and the width of the rectangular board is: 800 millimeters.
Now we know that the area of rectangle is given by:

i.e. we have:
