edithikechukwu459 edithikechukwu459

28-11-2021
Mathematics

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the perimeter of a rectangle is 20cm. if the breadth of the rectangle is 2cm what is it's area

Respuesta :

bibeksaud16 bibeksaud16

30-11-2021

Answer:

perimeter =20cm

breadth=2cm

length=?

we know that

perimeter =2*(l+b)

20=2*(l+2)

20=2l+4

2l=20-4

2l=16

l=16/2

l=8

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