Question

A rectangular field is 15 m long and 10 m wide, Another rectangular field having the same
perimeter has its sides in the ratio 4 : 1. Find the dimension of the rectangular field.

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Answer 1

Answer:

1st find perimeter of rectangular field by formula 2 (l+b).It will come 50 m.Perimeter of another field is also 50m then.

ATP

2 (4x+x)=50m

or 8x+2x=50m

or10x=50m

or x=5m

therefore breadth is 5m and length is 4x=4×5m=20m (by taking common part to be x)

Step-by-step explanation:

Answer 2

Answer:

perimeter of first field=2(15+10)=50m

perimeter of second field=50m

perimeter=2(l+b)

let length and breadth=4x,x

ATQ

50=2(4x+x)

50/2=5x

25=5x

x=25/5

x=5

sides are 5m and (5*4)=20 m

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