the length and the breadth of a rectangle field are in the ratio 5:3 if its perimeter is 128,find the dimensions of the field
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Answered by
10
The Length is 40 m and Breadth is 24 m.
- Ratio of Length to Breadth = 5 : 3
- Perimeter = 128 m
- Dimensions of field
______________________________
Let the -
- Length be 5y
- Breadth be 3y
⇒ 128 = 2(5y + 3y)
⇒ 128 = 10y + 6y
⇒ 128 = 16y
⇒ y =
⇒ y = 8
Length = 5 × 8 = 40 m
Breadth = 3 × 8 = 24 m
∴ The Length is 40 m and Breadth is 24 m.
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Answered by
5
The length and the breadth of a rectangle field are in the ratio 5:3, if its perimeter is 128m.
The dimensions of the field.
Let the ratio be R.
We know that perimeter of rectangle: 2(length + breadth)
→ 2(5R + 3R) = 128
→ 2(8R) = 128
→ 16R = 128
→ R =
→ R = 8m.
Now,
- The dimensions of the field:
The length of rectangular field = 5(8)m = 40m.
The breadth of rectangular field = 3(8)m = 24m.
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