Q: What is the total curved surface area of a hollow hemisphere?

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The curved surface area is 89.76527 units2 and the total surface area is 134.6479 units2

A sphere has a total curved surface. A cylinder and a cone have a partial curved surface

The surface area of a whole sphere, of radius r, is 4*pi*r2.The area of the curved surface of a hemisphere is, therefore, 2*pi*r2.The area of the flat surface is that of a circle of radius r, that is = pi*r2.So the total surface area of a hemisphere is 2*pi*r2 + pi*r2 = 3*pi*r2.

It is the surface area of the two ends plus the surface area of the curved surface. Surface area of each end is pir2 Surface area of the curved surface is 2pirh Total surface area = 2pir2 + 2pirh

Surface area including the underneath of the hemisphere = pi*radius2 + 2*pi*radius2 Total surface area = 27pi square units

Related questions

Curved surface area of a hemisphere means only the bent part of it , i.e,the part which looks like half of a sphere. Total surface area of a hemisphere is the circular top of a hemisphere + curved surface area of a hemisphere. So the formula goes like this: Curved surface area of hemisphere= 2πr2 Total surface area of hemisphere= 2πr2 + πr2 = 3πr2

The curved surface area is 89.76527 units2 and the total surface area is 134.6479 units2

A sphere has a total curved surface. A cylinder and a cone have a partial curved surface

The surface area of a whole sphere, of radius r, is 4*pi*r2.The area of the curved surface of a hemisphere is, therefore, 2*pi*r2.The area of the flat surface is that of a circle of radius r, that is = pi*r2.So the total surface area of a hemisphere is 2*pi*r2 + pi*r2 = 3*pi*r2.

Approximately 68% of the Earth's total land surface is located in the Northern Hemisphere.

there is no area. it is called surface area which is =2(pi)rh+2(pi)r(squared). this is the total surface are of a SOLID cylinder. for an open or hollow one it is =2(pi)rh+(pi)r(squared)

It is the total surface area.

It is the surface area of the two ends plus the surface area of the curved surface. Surface area of each end is pir2 Surface area of the curved surface is 2pirh Total surface area = 2pir2 + 2pirh

surface are of a shape means is the total area of the faces and curved surface of a solid figure.kellie edwards.

Surface area including the underneath of the hemisphere = pi*radius2 + 2*pi*radius2 Total surface area = 27pi square units

If the cylinder has radius R and length L , the curved part of the surface has area 2piRL and each of the ends has area piR^2. The total surface area is the sum of the curved part plus two ends.

The total curved surface area is 888.5 cm2