Question

3. The length and the breadth of a rectangular field are in the ratio 5 : 3. If its perimet
128 m, find the dimensions of the field.​

Answer 1

let the ratio be 5x and 3x

perimeter= 2 (l+b)

128 = 2 ×8x

x= 8

length= 40m

breadth= 24m

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Answer 2

Answer:

lenght =40

breadth=24

Step-by-step explanation:

perimeter=2×l+b

lenght =5x

breadth 3x

128 m. =2(5x+3x)

128. =2×8x

128÷2. =8x

64. =8x

64÷8. =x

8. =x

lenght=8×5=40

breadth=8×3 =24