Question

the radius of circular ground is 70 m find the distance covered by a child walking along the boundary of the ground

Answer 1

Hii there ✌✌

here's your answer✍✍

the distance covered
by the child walking
along the boundaries= the circumference

⭐therefore,

the distance = 2πr
= 2 × 22/7 × 70
= 2 ×22×10
= 440m

therefore the distance covered by child walking along the boundaries of the circular ground is 440m .

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Answer 2

Perimeter of a circle=2piR

=2x22/7x70

=440