Question

$\cal{Pls \: Answer \: it}$
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Answer 1

radius = r

Now as it cover 1/4 distance =2πr/

1/4

d=πr/2

displacement=d"=√(r²+r²)

d"=r√2

distance/displacement=πr/2r√2

=π2√2

=π:2√2 Ans