the length and the breadth of a rectangle are in the ratio of 2:1 if the breadth is 20 1hen its perimeter
Answers
Answered by
0
breadth is 20 so length is 40 (20×2). perimeter is 2 (l+b)=2×(20+40)=2×60=120
Answered by
2
Given,
Ratio of length and breadth is 2:1
Total ratio = 2+1=3
Let Breadth be x
Then length be 2x
Given Breadth =x= 20 cm
Length = 2x = 2*20=40 cm
Perimeter = 2 [ Length + Breadth ] =2[40+20]
= 2[60]
=120 cm.
Ratio of length and breadth is 2:1
Total ratio = 2+1=3
Let Breadth be x
Then length be 2x
Given Breadth =x= 20 cm
Length = 2x = 2*20=40 cm
Perimeter = 2 [ Length + Breadth ] =2[40+20]
= 2[60]
=120 cm.
Similar questions