1.

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Answer»

ong>Answer:

The radius of the FLOWER beds 1 and 2=

2

100

=50m

⇒ AREA of the flower beds 1 and 2 =2×(

2

1

πr

2

)

⇒ Area of the flower beds 1 and 2 =3.14×50×50=7850m

2

⇒ The radius of the flower beds 3 and 4 =

2

50

=25m

⇒ Area of the flower beds 3 and 4 =2×(

2

1

πr

2

)

⇒ Area of the flower beds 3 and 4 =3.14×25×25=1962.5m

2

⇒ Area of the all four flower beds =7850m

2

+1962.5m

2

=9812.5

⇒ Cost of levelling four flower beds =9812.5×0.60=Rs.5887.

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