If its circumference is 21.98 feet then its diameter is 21.98/pi = 7 feet rounded up.
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Circumference is equal to the diameter multiplied by pi, or 3,14. Multiply 65 x 3.14.
Area of bicycle wheel: pi*13 squared = 169*pi or about 531 square inches
We had this question just the other day as well. 28-21, you do the math.
28 - 21 = 7Which is a fairly silly answer as there are no 21" bike wheels. The spoke thing is quite misleading, as there are several things that aren't mentioned here that affect spoke length.If stood side by side the 28" wheel will reach 7" higher than the 21" wheel.7 inches difference . As 28-21=7The diameter of one bicycle wheel is 28 inches and its spokes run from the hub (or center) to the edge of the rim. The diameter of another bicycle wheel 21 inches. What is the difference in inches between the length of the spokes of the two wheels?
radius=13 area=40.82 circumfrence=8.28025477707