Question

How to find length while perimeter and breadth is given?

Answer 1

Answer:

Length of rectangle when perimeter and breadth are given calculator uses Length= (Perimeter-2*Breadth)/2 to calculate the Length, Length of rectangle when perimeter and breadth are given is the longest side of rectangle whether it is vertical or horizontal. Length and is denoted by l symbol.

Step-by-step explanation:

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Answer 2

Answer:

To find the length, we just have to substitute the values if only the perimeter and breadth is given.

Example sum:

Q.) Find the length of the rectangle if the perimeter is 16cm and breadth is 2cm.

Ans)

Given perimeter of the rectangle = 16cm

Given breadth of the rectangle = 2cm

Length = ?

To find the length, we have to substitute the values.

⇒ Perimeter of the rectangle = 2(l + b)

⇒ 16cm = 2(l + 2cm)

⇒ 16/2 = l + 2cm

⇒ 8 = l + 2

⇒ 8 - 2 = l

⇒ 4cm = l

∴ Length of the rectangle is 4 cm

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