Divide the cumference by (pi) to get the diameter.If the cumference is 8, the diameter is 8/pi = 2.5465 (rounded)
The area of a circle whose diameter is 18 inches is: 254.5 square inches.
about one or two inches wide
Diameter = twice the radius = 2 x 18 = 36 inches.
The circumference of a circle that has a diameter of 18 inches is about 56.55 inches. (C = d x Pi).
If the diameter of a circle is 18 inches then its radius is 18/2 = 9 inches
The rim is actually about twice the diameter of a regulation basketball. In the NBA, the official ball is made of leather and has a circumference of 30 inches (76 cm) and a diameter of 9 inches (23 cm).Which also means,the rim's diameter is 18 inches.
18 inches
The basketball ring is 18 inches in diameter while the ball is nine inches in diameter.
18 inches
The circumference of a circle with a diameter of 18 inches is 56.5 inches.
Standard dartboard diameter is 18 inches. Circumference = Pi x Diameter = Pi x 18 = 56.548 inches