Question

area of rectangular field it's length 20 find its breath​

Answer 1

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l = b+20

perimeter = 2(l+b)

= 2(b+20+b)

= 2(2b+20)

= 4b +40 = 280

4b = 240

b= 60m

l = 60+20= 80m

Answer 2

Answer:

mark upper one brainliest because why not ?