Surface area of the sphere: 4*pi*2 squared = 50.265 square inches to 3 decimal places
Surface area of a sphere = 4*pi*radius2 radius = diameter/2
You divide the diameter by 2, to get the radius. Then you use the formula for the surface area of a sphere. Surface area of a sphere = 4*pi*radius^2
Surface area of the sphere = 4*pi*92 = 1017.87602 or about 1018 sq cm
Surface area of a sphere in square units = 4*pi*radius^2
Surface area of a sphere = 4*pi*radius2 Surface area = 16*pi = 50.26548246 or 50 square inches.
Surface area of a sphere = 4*pi*radius2 radius = diameter/2
Surface area of a sphere = 4*pi*(diameter/2)^squared
You divide the diameter by 2, to get the radius. Then you use the formula for the surface area of a sphere. Surface area of a sphere = 4*pi*radius^2
Surface area of the sphere = 4*pi*92 = 1017.87602 or about 1018 sq cm
Surface area of sphere: 4*pi*15^2 = 900*pi square cm
The surface area of a 12-inch diameter sphere is 452.39 square inches.The formula for surface area of a sphere is 4*pi*r2 where r=radius
Surface area of a sphere in square units = 4*pi*radius^2
Surface area of a sphere = 4*pi*radius2 Surface area = 16*pi = 50.26548246 or 50 square inches.
First divide the diameter by 2 to give the radius and use the formula:- Surface area of a sphere = 4*pi*radius2 measured in square units
Surface area of sphere: 4*pi*6 squared = 452.389 square meters rounded to 3 decimal places
Surface area = 4*pi*radius2 = 50.265 square feet correct to 3 dp
Using the formula for the surface area of a sphere, which is SA = 4 (pi) r2, you can find the radius, and the diameter of the sphere is twice the radius. Example: If the surface of a sphere is 380 square cm 4 (pi) r2 = SA 4 (3.1416) r2 = 380 12.5664 r2 = 380 r2 = approx. 30.24 r = 5.5 and diameter D = 11 cm