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ivanzaharov [21]
3 years ago
12

A circular racetrack

Mathematics
1 answer:
makkiz [27]3 years ago
4 0
Circle Circumference= 2πr
Diameter is given, but the formula requires the radius.

Radius= diameter ÷ 2= 1/2 ÷ 2= 1/2 * 1/2= 1/4= 0.25

C= circumference
π= 3.14

C= 2πr
substitute in numbers
C= 2(3.14)(.25)
C= 1.57 rounded to 1.6 miles

ANSWER: 1.6 miles

Hope this helps! :)
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