Question

a square park of side 40 cm has 4m wide path surrounding it.find the area of the path​

Answer 1

Step-by-step explanation:

Let the side of lawn be 'a' m.

Area of lawn = a

2

Length of outer side =(a+4) m

Area of outer square=(a+4)

2

= a

2

+8a+16

Area of the path = Area of outer sqare-Area of low

⇒240=a

2

+8a+16−a

2

⇒240=8a+16

⇒8(a+2)=240

⇒a+2=

8

240

⇒a+2=30

⇒a=30−2

⇒a=28

side of lawn =30 m

Area of lawn = 28×28

= 784 m

2

Answer 2

Answer:

704000 cm2

Step-by-step explanation:

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