Q. 94.5( 125 Votes )

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Answer :

(i) It is given in the question that,


Length of land = 10


Breadth of land = 5


We know that,


Area of rectangle = Length × Breadth


Area of whole land = 10 × 5


= 50 m2


(ii) Also, it is given in the question that:


The radius of flower bed = 2 m


We know that,


Area of flower bed = πr2


= 3.14 × 2 × 2


= 12.56 m2


(iii) Area of lawn excluding the flower bed = Area of whole land – Area of the flower bed


= 50 – 12.56


= 37.44 m2


(iv) We know that,


Circumference of circle = 2πr


Circumference of flower bed = 2 × 3.14 × 2


= 4 × 3.14


= 12.56 m2

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