A wheel has a diameter of 21 inches.
Approximately how far does it travel in 3 revolutions?
Stacey Warren - Expert brainly.com
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63* i meant
i would think its A as well, but i would like to have it confirmed just to be sure.
A is not the answer
How to find the circumference:
Divide that by 2
The formula for the circumference of a circle is
Plug in the numbers:
Which equals 65.94
Then, we have to multiply that by 3. So,
65.94 x 3 = 197.82
Which is our answer.
So, remember c/d = pi.
Re-arrange to get c = pi * d
One circumference of a circle is equivalent to a full revolution. So we multiply by 3 for 3 revolutions.
pi * d * 3 = 197.82, as YoungTrilogy stated.