A circle with a radius of 11.5 miles has an area of 415.48 square miles.
Circumference of any circle = (pi) x (diameter) Diameter = 2 x radius
Circumference: 14*pi mi Area: 49*pi square mi
The area of a circle is equal to pi times r2. If D is 14 miles, then r is 7 miles. Pi is approximately 3.14 and 72 is 49. So 3.14 x 49 = 153.86 square miles.
22.52 x pi = 506.25pi sq miles. Taking pi as 355/113 gives 1590.43 sq mi
Answer: 123 km = 76.4286 mi.
The circumference of a circle with diameter d is pi*d So if d = 8mi then circumference = 25.13 mi.
That depends on what is meant by 38 mi but the circumference of any circle is 2*pi*radius or diameter*pi
Circumference = pi*diameter So diameter = circumference/pi = 9.87 mi
Using 3.14 as Pi the area of circle is: 200.96
Using 3.14 as Pi the area of circle is: 120.7016
Circumference of any circle = (pi) x (diameter) Diameter = 2 x radius
Circumference: 14*pi mi Area: 49*pi square mi
The perimeter of a cirlcle is its circumference which is: 2*pi*radius or diameter*pi
The area north of the Arctic Circle is about 20,000,000 km2 (7,700,000 sq mi) and covers 4% of the Earth.
The area north of the Arctic Circle is about 20,000,000 km2 (7,700,000 sq mi) and covers 4% of the Earth.
Moon diameter: 14 158 mi sun diameter:864400 mi
If the area is a circle and the radius of the circle is 21 miles, the distance around the circle (circumference) is 131.95 miles. The area of that circle is 1,385.4 square miles.