It is in square units: (2*pi*radius2)+(pi*radius2)
Chat with our AI personalities
Total surface area = 1847.26 sq cm.
it is 3 times pi times r square, where r is the radius.
The total surface area of a sphere when the radius is 4 equals 201.1 units2
The area of a sphere is 4 (pi) (radius)2. The area of 1/2 of the sphere is 2 (pi) (radius)2. If you want to add in the flat end of the hemisphere, that makes the total surface area 3 (pi) (radius)2.
Total surface area is 176 units2