Question

A rectangular field is 16 m long and 12 m wide . Inside the field there is path of 1•5 m wide all around . Find the area of remaining field.​

Answer 1

Answer:

Solution

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Let width of path x

Length =20+2x

Width =14+2x

Area of outer rectangular =l×b

=(20+2x)(14+2x)

=4x

2

+68x+280

Area of path:

4x

2

+68x+280−280=111

4x

2

+68x=111

4x

2

+68x−111=0

(4x

2

+74x−6x−111)=0

(2x−3)(2x+37)=0

x=

2

3

m or x=−

2

37

Since, width can not be −ve

Answer 2

Answer:

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Step-by-step explanation:

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