Question

The perimeter and area of rectangular field is 130m and 1000m respectivelydetermine its dimensions

Answer 1

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Answer 2

2(l+b)=130
l+b=65------(1)
l=65-b----(2)

lb=1000-----(3)

put(2)in(3)
(65-b)(b)=1000
b^2-65b+1000

b^2-25b-40b+1000=0
b(b-25)-40(b-25)=0

b=40m or b=25

put value of b in (2)

l=65-40 | l=65-25
l=25 | l=40