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Spheres

Volume and surface area of 3D circles.

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Geometry Perimeter, Circumference, Area, Surface Area, Volume
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    Spheres
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    Vocabulary

    diameter

    diameter

    A chord that passes through the center of the circle. The length of a diameter is two times the length of a radius.
    Radius

    Radius

    The radius of a circle is the distance from the center of the circle to the edge of the circle.
    Sphere

    Sphere

    A sphere is a round, three-dimensional solid. All points on the surface of a sphere are equidistant from the center of the sphere.
    Volume

    Volume

    Volume is the amount of space inside the bounds of a three-dimensional object.
    Cavalieri's Principle

    Cavalieri's Principle

    States that if two solids have the same height and the same cross-sectional area at every level, then they will have the same volume.

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