The formula for circumference of a circle is pi*d or 2(pi)r
The first is better since we already have the diameter.
To solve this, simply multiply the two
You can leave your answer was 12.6(pi) or make pi equal to 3.14 (not prefered, but ok for beginners)
If you did choose to do this, you would get 39.564
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Area of a circle = pi*radius2
Answer: 126 " = 3.5 yds.
There are 2.54 centimetres in one inch. Therefore, 126 inches is equal to 126 x 2.54 = 320.04 centimetres.
1 yard = 36 inches 3 yards = 3*36 = 108 inches 3 yards 18 inches = 108+18 inches = 126 inches
126 inches.