Question

Answer this question

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Answer 1

Explanation:

diameter= 20m

since the diameter is 20m the displacement will also be 20. (displacement is the shortest path between initial and final point)

to find circumference (that is distance) formula is pi x d

to find semicircle circumference is d+ pi R

1. round 1 = 20m ; 62.8m

2.round 1.5= 20m ; 31.4 + 62.8= 94.2m

3.round 2= 20m ; (62.8 x 2) 125.6m

4. round 2.5= 20m ; 157m