There are certain things a pitcher may not do while within this circle. Fore example, when the umpire puts a new ball in play, some pitchers will spit on their hands and rub the ball up. Done outside this circle, it is legal; done inside this circle, it is illegal.
The diameter of an MLB pitcher's mound is 18 feet.
A circle with an 18-foot diameter has an area of: 254.5 square feet.
Pitching mound dimensions are as follows: Diameter: 18 feet Height: 10.5 inches at the rubber, with a plateau at the top of the mound 5 feet wide. Distance to HB: 59 feet (60', 6" from back tip of home plate) The pitching rubber is 18 inches behind the center of the mound (10 feet in front of rubber and 8 feet behind rubber). Dimensions of the rubber are 24 inches by 6 inches.Slope: Beginning 12 inches in front of rubber a line extended to HB will fall 1 inch for every 1 foot of distance until it is level with the plate.
The area of a 18-inch diameter circle is: 254.5 square inches.
A circle with a diameter of 18 centimeters has an area of 254.47 square centimeters.
The area of a circle, if the diameter is 18 yards, is: 254.5 square yards.
The distance from the pitcher's rubber to HB is 59 feet, or 60 feet and 6 inches to the back tip of home plate. The mound has an 18 foot diameter and is 10.5 inches tall at the pitcher's rubber, which is located 10 feet from the front of the mound and 8 feet from the back of the mound.
The area of a circle whose diameter is 18 inches is: 254.5 square inches.
The surface area of a sphere with a diameter of 18 feet is: 1,020 square feet.
18
Area = pi * radius squaredA = pir2radius = diameter/2radius = 18/2 = 9Area = pi(9)2= 254 units=========
Area = 254 square feet.