The area of the rectangular field is 1600 sq.m. if the length of the field is 80 m, find the perimeter of the field.
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Step-by-step explanation:
A=l×b
A=1600
l= 80
1600= 80× b
b= 1600/80
b= 20
perimeter = 2(l+b)
p = 2( 80+20)
p= 2(100)
p= 200m
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