When a marathon runner completes 3 round around a circular track he covers a distance of 66 km. Find the radius of the track

Pics asked Aug 21, 2022

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Pics asked Aug 21, 2022

by Pics

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15 votes

Answer:

3.5

Explanation:

66÷3=22

thus the perimeter is 22

perimeter=2×22/7×r

22=2×22×r

22×7 =2r

7=2r

r=3.5

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