Question

the length and breadth of a rectangular block are, l = 12.13 +- 0.02cm, b = 8.16 +- 0.01cm, determine percentage error in area of the block​

Answer 1

Answer:

LET ABE THE AREA OF RECTANGULAR BOLCK AND DELTA A IS ERROR. DELTA A/A=DELTA L/L+DELTA B/B

=(0.02×100/12.3)+(0.01×100/8.16)