Question

 The perimeter of a rectangular field is 56 cm. If the length is 13 cm , Find the breadth​

Answer 1

Answer:

breadth = 15 cm

Step-by-step explanation:

Given perimeter = 56 cm,

Length = 13 cm,

We have to find the breadth.

We know that the perimeter of a rectangle = 2(Length + breadth)

or,

$56 \: cm \: = 2(13 \: cm + b)$

$13 \: cm \: + \: b = \frac{56 \: cm}{2}$

$13 \: cm \: + b = 28 \: cm$

$b = 28 \: \: cm \: - 13 \: cm$

Therefore,

$b = 15 \: cm$

Hence the breadth of the rectangle is 15 cm.

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Answer 2

Step-by-step explanation:

given perimeter of a rectangle =56cm

given length =13 cm

2(l+b)=56 cm

2(13+b)= 56cm

13+b=56/2=28

13+b=28

b=28-13=15cm

therefore breadth of a rectangle =15 cm