If length and breadth of a plate are (40 + -0.2) and (30 + -0.2)cm, the absolute error in measurement of area is

If length and breadth of a plate are (40 + -0.2) and (30 + -0.2)cm, th

1.	If length and breadth of a plate are (40 + -0.2) and (30 + -0.2)cm, the absolute error in measurement of area is
Answer» `10CM^(2)` `8cm^(2)` `9cm^(2)` `7CM^(2)` ANSWER :A