find the dimensions of a rectangular Park whose perimeter is 60 M and area is 200 m square... Pls answer it as fast as possible...
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ANSWER:-❣❣⤵️⤵️
Area of rectangle=l*b
200m=l*b....(1)
Perimeter of rectangle=2(l+b)
60m=2(l+b)....(2)
30m=l+b
l=30-b
Substitute this in (1)
200=(30-b)*b
b^2-30b-200=0
b^2-20b-10b-200
b(b-20)-10(b-20)
(b-10) and (b-20)
b=10 and b=20
if breadth is 10 then length is 20
if breadth is 20 then length is 10
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