The perimeter of a rectangular hall is 160 meters. Its length and breadth are in the ratio 3 : 5. What is the area of the hall?
Answers & Comments
Shuchi11
Let lenght and breadth be 3x and 5 x respectively 2 (3x+5x)=160 8x=160/2 x=80/8=10 Length = 10×3=30 m Breadth =10×5=50m Area of hall=30m×50m=1500m^2
Answers & Comments
2 (3x+5x)=160
8x=160/2
x=80/8=10
Length = 10×3=30 m
Breadth =10×5=50m
Area of hall=30m×50m=1500m^2