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matrenka [14]
3 years ago
5

Rafael races his bicycle for

Mathematics
2 answers:
pychu [463]3 years ago
6 0
Distance traveled = 70 m
Number of rotations = 29

We know, Circumference * Number of rotations = Distance traveled
So, C = 70 / 29
C = 2.41 m

Now, we know, diameter = C / π
So, d = 2.41/3.14 = 0.768

In short, Your Answer would be: 0.8 m

Hope this helps!
Andreas93 [3]3 years ago
3 0
Total distance=70m
Revolutions of wheel=29
revolutions ×circumference of wheel=total distance
29×2pi×r=70
2×3.14×r=70/29
Since 2r=d
d×3.14=70/29
d=70×100/29×314
d=0.768
d=0.8m
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