Question

EXAMPLE 11. Find the percentage error in the area of a rectangle when an error of 1
made in measuring its length and breadth.
h the length and breadth of the rectangle respectively​

Answer 1

Answer:

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Step-by-step explanation:

Percentage error in length

L

ΔL

×100=l%

Percentage error in breadth

B

ΔB

×100=b%

Percentage error in area

A

ΔA

×100=

L

ΔL

×100+

B

ΔB

×100

⟹

A

ΔA

×100=(l+b)%