The difference between the length and breadth of rectangle is 23 m . If its perimeter is 206 m, then its area is-
সমাধান
সঠিক উত্তর: Option D
Let, length=x and breadth =y
A.C.Q, x-y=23
x=y+23
Again, 2(x+y)=206
x+y=103
y+23+y=103
2y=80
y=40
x=40+23=63
Area=40× 63
=2520 m2