darshantanguturu2170 darshantanguturu2170

06-05-2021
Mathematics

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the perimeter of a rectangle is 128 CM its breadth is 20 CM then find its length and breadth

Respuesta :

bineshmahato bineshmahato

06-05-2021

Answer:

p=128

b=20

now

p=2(l+b)

or,128=2(l+20)

or,2l=128-40

or,l=78÷2

or,l=39

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