Chapters

## Spherical Surface

A spherical surface is the surface generated by rotating a circle about its diameter.

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## Sphere

A sphere is the region of the space that is inside a spherical surface.

### Center

The center is the interior point that is equidistant to all points on the surface of the sphere.

### Radius

The distance from the center to any point on the surface of the sphere.

### Diameter

The diameter is the distance from one point through the center to another point.

### Volume of a Sphere

A cube with an edge of 20 cm is filled with water. Would this amount of water fit in a sphere with a 20 cm radius?

Calculate the area and the volume of a sphere inscribed in a cylinder with a height of 2 m.

Calculate the area of the circle resulting from cutting a sphere of 35 cm radius by a plane whose distance from the center of the sphere is 21 cm.

Apply the Pythagorean theorem.

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Emma

I am passionate about travelling and currently live and work in Paris. I like to spend my time reading, gardening, running, learning languages and exploring new places.