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  2. Frustum - Wikipedia

    en.wikipedia.org/wiki/Frustum

    A right frustum is a right pyramid or a right cone truncated perpendicularly to its axis; [3] otherwise, it is an oblique frustum. In a truncated cone or truncated pyramid, the truncation plane is not necessarily parallel to the cone's base, as in a frustum. If all its edges are forced to become of the same length, then a frustum becomes a ...

  3. Tree measurement - Wikipedia

    en.wikipedia.org/wiki/Tree_measurement

    Cumulative trunk volume is calculated by adding the volume of the measured segments of the tree together. The volume of each segment is calculated as the volume of a frustum of a cone where: Volume= h(π/3)(r 1 2 + r 2 2 +r 1 r 2) Frustum of a cone

  4. Tree volume measurement - Wikipedia

    en.wikipedia.org/wiki/Tree_volume_measurement

    The value 75.4 = 24 π, where 24 π substitutes for factor of 12 π in the formula for a volume of frustum of a cone encompassing a full tree using one base circumference, converting it to a volume formula that uses a basal circumference that is the average of circumferences C 1 and C 2.

  5. Cone - Wikipedia

    en.wikipedia.org/wiki/Cone

    A cone with a region including its apex cut off by a plane is called a truncated cone; if the truncation plane is parallel to the cone's base, it is called a frustum. [1] An elliptical cone is a cone with an elliptical base. [1] A generalized cone is the surface created by the set of lines passing through a vertex and every point on a boundary ...

  6. Spherical cap - Wikipedia

    en.wikipedia.org/wiki/Spherical_cap

    The polar angle between the rays from the center of the sphere to the apex of the cap (the pole) and the edge of the disk forming the base of the cap. These variables are inter-related through the formulas a = r sin ⁡ θ {\displaystyle a=r\sin \theta } , h = r ( 1 − cos ⁡ θ ) {\displaystyle h=r(1-\cos \theta )} , 2 h r = a 2 + h 2 ...

  7. List of centroids - Wikipedia

    en.wikipedia.org/wiki/List_of_centroids

    Volume Cuboid: a, b = the sides of the cuboid's base ... Right circular solid cone: r = the radius of the cone's base h = the distance is from base to the apex ...

  8. What are angel numbers? A guide to the numeric sequences and ...

    www.aol.com/angel-numbers-guide-numeric...

    Here's a guide on angel numbers, or repeating numeric sequences often used as a guide for deeper spiritual exploration.

  9. Heronian mean - Wikipedia

    en.wikipedia.org/wiki/Heronian_mean

    A square frustum, with volume equal to the height times the Heronian mean of the square areas. The Heronian mean may be used in finding the volume of a frustum of a pyramid or cone. The volume is equal to the product of the height of the frustum and the Heronian mean of the areas of the opposing parallel faces. [2]