Sam runs around a circular track of r = 100 m. Distance covered by him for one complete round (estimated to tenths) around the track is (π = 3.14)

628

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942

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Solution

The correct option is A 628
Distance covered by Sam in one round
= Circumference of the track
= $2 π r$
= $2 \times 3.14 \times 100$ m
= $2 \times 3.14 \times 0.1$ km
= 0.628 km

Which is approximated to 0.6 km to the tenths place.

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Sam runs around a circular track of r = 100 m. Distance covered by him for one complete round (estimated to tenths) around the track is (π = 3.14)

The correct option is A 628Distance covered by Sam in one round = Circumference of the track = 2πr = 2×3.14×100 m = 2×3.14×0.1 km = 0.628 km Which is approximated to 0.6 km to the tenths place.

The correct option is A 628
Distance covered by Sam in one round
= Circumference of the track
= $2 π r$
= $2 \times 3.14 \times 100$ m
= $2 \times 3.14 \times 0.1$ km
= 0.628 km

Which is approximated to 0.6 km to the tenths place.