Answers

2016-05-04T18:17:37+05:30
Given perimeter = 52cm
Let length = l and breadth = l/3 + 2
as we know, perimeter = 2(l+b)
⇒ 52 = 2(l + l/3+2) 
⇒52 = 2( 4l+6)/3
⇒52/2 = 4l+6
⇒26x 3 = 4l+6
⇒78-6= 4l
⇒72/4= l ∵ l=18cm
thus, b= 18/3+2 = 8cm.
hence, 
dimensions of rectangle are 8 and 18cm.
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