Radius: 45/2 = 22.5mm
C = D * pi = 45 * 3.14159(...) = 141.372 cm
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The angular velocity of a wheel taking 45 seconds to rotate once is 2 2/3 pi radians per minute. The diameter of the wheel does not matter in this case.
If you mean 4/5 of 36 feet then it is 28.8 feet
The radius of a coin with diameter of 45 mm is : 45/2 = 22.5mm The circumference of a coin with diameter of 45 mm is 45*pi = 141,372mm rounded to 3 decimal places
divide it by 3.141592653 then divide it by 2
A circle with a radius of 45 units has a circumference of 282.74 units.
The diameter of a circle with a circumference of 45 cm is: about 14.32 cm
The circumference of a circle with a diameter of 45 inches is 141.37 inches.
Radius is 45.
If the circumference of a circle is 45 cm the length of the diameter in centimeters is: about 14.32 cm
32cm, the radius is half of the diameter
141.372 Circumference equals pi times the diameter: 45 x 3.1416 = 141.372 If you memorize the formula, it will serve you well.
An eighth of the area of the circle which, since neither its radius, diameter nor circumference are known, is an unknown quantity.
A 45-meter diameter is equivalent to a circle with a radius of 22.5 meters.
The idea is to multiply the diameter by pi.