Question

if breath and perimeter of a rectangle are 12.5 and 101cm respectively, its length is of ? ​

Answer 1

Answer:

38 centimeters

Step-by-step explanation:

101=2(12.5+x)

101=25+2x

101-25=2x

76=2x

76/2=x

⇒38

The length is 38 cm

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Answer 2

Answer:

Perimeter = 2(length+breadth)

101 cm = 2(l + 12.5 cm)

101 cm = 2l + 25 cm

101 cm - 25 cm = 2l

76 cm/2 = l

length = 38 cm