SOLUTION: Ri rides his bicycle to school every day.The diameter of his bicycle wheel is 70 cm when pumped full air. a)What is the circumference of his bicycle when the wheel is pumped?

Question 96731: Ri rides his bicycle to school every day.The diameter of his bicycle wheel is 70 cm when pumped full air.
a)What is the circumference of his bicycle when the wheel is pumped?
b) When the tire on rick's bicycle is flat, the diameter is only 60cm. What is the circumference?
c) Estimate how long the spokes are on rick's bicycle?
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
A) P=pid
P=3.14*70
P=219.8 cm fully inflated.
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B) P=3.14*60
P=188.4 cm when deflated.
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C) radius=diameter/2
radius=60/2
radius=30
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