If r is the radius of the disc, then pi*r2 square units.
Surface area of a cylinder = (pi) x (diameter of the circular end) x (length)
surface area of right circular cylinder = 2 pi r h +2 pi r2
That gives you the surface area.That gives you the surface area.That gives you the surface area.That gives you the surface area.
surface area
The formula for the area of a rod, which is a cylinder, is given by A = 2πrh + 2πr^2, where A is the total surface area, r is the radius of the rod, and h is the length of the rod. The first term 2πrh represents the lateral surface area of the cylinder, which is the curved surface area, and the second term 2πr^2 represents the area of the two circular bases of the cylinder. By summing these two terms, we obtain the total surface area of the rod.
The surface charge density will remain constant at 30 nC/cm^2 even if the radius of the disk is doubled. Surface charge density is independent of the size of the object and depends only on the distribution of charge over its surface area.
I don't know what a 'right circular' is
Smooth
If the disk is circular, the area of one circular face is 112.72 X pi = 3.990 X 104 square kilometers, to the justified number of significant digits.
The surface area is 69.12ft2
The relationship between the surface areas of cylinders, cones, and spheres is that the surface area of a cylinder is equal to the sum of the areas of its two circular bases and its curved surface area, the surface area of a cone is equal to the sum of the area of its circular base and its curved surface area, and the surface area of a sphere is equal to four times the area of its circular base.
Surface area is 376.99 units2
The surface area of a circular based prism is (2pi x radius squared) + (2pi x radius x height)
Surface Area = Pi*radius(radius + slant height)
Surface area of a cylinder = (pi) x (diameter of the circular end) x (length)
Surface Area = 2,387.61 ft2
Surface Area = 2,760.67 ft2