The perimeter of a rectangle whose length $(l)$ and breadth $(b)$ are given, is

2 (l + b)

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2 l + b

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2 l + 3 b

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None of these

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Solution

The correct option is A $2 (l + b)$
Perimeter of a rectangle is the sum of all its four sides.
Since, two sides measure $l$ and the other two sides measure $b$ , Perimeter of a rectangle whose length $(l)$ and breadth $(b)$ are given, is $l + b + l + b = 2 (l + b)$

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Question 93

Perimeter of a rectangle is found by using the formula p = 2(l + w), where l and w are respectively the length and breadth of the rectangle. Write the rule that is expressed by this formula in words.

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The perimeter of a rectangle whose length(l) and breadth(b) are given, is

The correct option is A 2(l+b)Perimeter of a rectangle is the sum of all its four sides. Since, two sides measure l and the other two sides measure b , Perimeter of a rectangle whose length(l) and breadth(b) are given, is l+b+l+b=2(l+b)

The perimeter of a rectangle whose length $(l)$ and breadth $(b)$ are given, is

The correct option is A $2 (l + b)$
Perimeter of a rectangle is the sum of all its four sides.
Since, two sides measure $l$ and the other two sides measure $b$ , Perimeter of a rectangle whose length $(l)$ and breadth $(b)$ are given, is $l + b + l + b = 2 (l + b)$