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Mohan walks once round a rectangular field of length l and breadth b. Which formula gives the distance he walks?

Class 6Rules and Formulas with VariablesAlgebra

A $2 \times (l + b)$
Bl + b
Cl × b
D2 × l + b

Step-by-Step Solution

Going round:

l + b + l + b = 2 l + 2 b = 2 \times (l + b) . (l \times b

is the area;

2 \times l + b

forgets the second breadth.)

Answer: A)

2 \times (l + b)

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