The area of a circle with a diameter of 75 inches is: 4,418 square inches.
If the circumference of a circle is 75 inches, the diameter is: about 23.87 inches. (diameter = circumference divided by pi).
A circle with a 75 ft diameter has an area of 0.25*pi*752 sq feet = 4417.9 sq feet
radius = square root of (75/pi) = 4.886025119 diameter = 2*radius = 9.772050238 or 10 mm to the nearest integer
Area of the circle = pi*7.8752 = 194.8278319 square units Area of sector = 75/360 times 194.8278319 = 40.58913165 square units
If the circumference of a circle is 75 feet, the diameter will be 23.87 feet. (d = c divided by Pi).
Lateral surface area = 75.39822369 or about 75 square inches Total surface area = 89.53539063 or about 90 square inches
Area = pi*d2/4 = 4418 sq feet approx.
The diameter of this size tire is 24.9 inches and the circumference is 78.3 inches.