Question

the length and the breadth are in the ratio is 5 : 3 and it's perimeter is 128m . find the area of park.

Answer 1

Answer:

1800m^2

Step-by-step explanation:

Let the length be 5x and breadth be 3x.

2 ( 5x + 3x ) = 128

16x = 128

x = 128/16 = 8

Length = 50

Breadth = 24

Area = lb = 50 * 24 = 1200m^2

Answer 2

Perimeter of rectangle = 2(l+b)
Given length and breadth in ration 5:3
Therefore l=5x and b=3x.
2(5x+3x)=128
2(8x) =128
16x = 128
x=8
 l = 5*8 = 40 and b= 3*8 = 24.
 Area of rectangle = l*b = 40*24 = 960.
The Answer is 960

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