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If length and breadth of a plane are (40...

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

A

`10 cm^(2)`

B

`8 cm^(2) `

C

`9 cm^(2)`

D

` 7 cm^(2)`

Text Solution

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The correct Answer is:
A
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