Question

the perimeter of a rectangle 72cm. its length is 25 centimetre find its breadth​

Answer 1

Answer:

breadth = 11

Step-by-step explanation:

2 ( l + b ) = 72

2 ( 25 + b ) = 72

(2 × 25) + (2 × b) = 72

50 + 2b = 72

2b = 72 - 50

2b = 22

b = 22 ÷ 2

b = 11

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Answer 2

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Length of rectangle= 25 cm

Given perimeter= 75 cm

Perimeter=2×(L+B)

75=2×(25+B)

$\bf{ \frac{75}{2} = 25 + b}$

$\bf{ \frac{75}{2} - \frac{25}{1} = b}$

$\bf{ = > \frac{75}{2} - \frac{50}{2} = \frac{25}{2} = 12.5}$

So the breadth of rectangle is 12.5 cm

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