1 inch
Multiply the radius by (2 x pi).
2 inches
A circle with a radius of 3 inches has a circumference of 18.8 inches
The radius of a circle is half of its diameter. Since the diameter of the circle is 24 inches, the radius would be 24 inches divided by 2, which equals 12 inches. Therefore, the radius of a 24-inch circle is 12 inches.
A circle's radius is always 1/2 of the circle's diameter, so the radius of a circle of 5-inch diameter is 2-1/2 inches.
2 inches. the radius is half of the diameter
Radius of the circle: 3.65/2 = 1.825 inches
The Diameter of a Circle is twice the Radius.thus for a 52 inch Diameter Circle the Radius will be 52/2=26 inches.
If you are talking about 9 and 12 inch diameter, then divide both by 2 to get the radius. The area of a circle is pi (3.1415 is good for most calculations) multiplied by the square of the radius. So for the 12 inch circle, the radius is 6. The square of the radius is 36, and multiplying this by pi gives approximately 113.1 square inches. Now the 9 inch circle has a radius of 9/2 or 4.5. Squaring this we get 20.25, which multiplied by pi is approximately 63.6 square inches. If 9 and 12 were already the radius in the problem, just don't divide by 2 since you already have the radius.
It is customary to call a circle a 38 inch circle if its diameter is 38 inches. If that is the case, the radius = diameter/2 = 19 inches.
Yes if 1.5 is the diameter of the circle but no if 1.5 is the radius of the circle.
A circle with a 12 inch diameter has a 6 inch radius.
1/2 inch
Multiply the radius by (2 x pi).
2 inches
48" / 2 = 24"
A circle with a radius of 3 inches has a circumference of 18.8 inches