Question

the radius of a circular play ground is 77m. calculate the distance covered by a runner in 5 complete rounds around around the ground
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Answer 1

Answer:

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Answer 2

Answer:

radius = 77m

distance covered in one round around the ground = circumference of circle = 2πr

distance covered in 5 rounds around the ground = 5 × 2πr

= 10πr

= 10 × 22/7 × 77

= 2420m