Question

What is the length of the rectangle whose breadth is 10 cm and perimeter is 60 cm
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Answer 1

Answer:

L=20cm

Step-by-step explanation:

P=60cm

B=10cm

L=x

60=2(x+10)

60=2x+20

60-20=2x

40=2x

x-20cm

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Answer 2

Step-by-step explanation:

Given,

perimeter of rectangle = 60cm

breadth of rectangle = 10 cm

Length of rectangle = ?

As we know,

Perimeter of rectangle = 2(l+b)

l+b = 30

l = 20cm

Hence, the length of the rectangle is 20 cm.

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