If length and breadth of a plane are (40 + 0.2) and (30 +- 0.1) cm, the absolute error in measurement of area is

If length and breadth of a plane are (40 + 0.2) and (30 +- 0.1) cm, th

1.	If length and breadth of a plane are (40 + 0.2) and (30 +- 0.1) cm, the absolute error in measurement of area is
Answer» `10 CM^(2)` `8 cm^(2) ` `9 cm^(2)` ` 7 cm^(2)` Answer :A