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Mathematics

Answered

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

Answer :

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Answer:

3.5

Step-by-step explanation:

66÷3=22

thus the perimeter is 22

perimeter=2×22/7×r

22=2×22×r

7

22×7 =2r

22

7=2r

r=3.5

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