Area Of A Cross Section

V l w h.
Area of a cross section. The area of this plane of intersection is known as the cross sectional area of the object. A cross sectional area is the area of the sliced portion of a 3d object such as a pipe. A cross section is the shape we get when cutting straight through an object.
Definition a cross section of any object is an intersection of a plane with that three dimensional object with the plane being perpendicular to the longest axis of symmetry passing through it. Calculating a cross sectional area is an integral part of trenchless rehabilitation methods because based on this area the size of the lining or replacement pipe is determined. It is like a view into the inside of something made by cutting through it.
The cross sectional area of an object when viewed from a particular angle is the total area of the orthographic projection of the object from that angle. This is a cross section of a piece of celery. The collisional cross sections typically denoted σ and measured in units of area.
When the pane is parallel to the base the area of the cross section is simply the area of the base which is simple a π r 2 if the pane that intersects is neither parallel nor perpendicular and the cross section does not touch either of the bases. The collisional cross section is an effective area that quantifies the likelihood of a scattering event when an incident species strikes a target species. In a a hard object approximation the cross section is the area of the conventional geometric cross section.
The cross section of this object is a triangle. When a pipe is sliced perpendicular to its longest axis the cross sectional area will be calculated for the top part of the sliced portion which is a circle. Therefore if a cross section is parallel to the top or bottom of the solid the area of the cross section is l w.
That plane is then perpendicular to the axis of symmetry. Cross section area and volume when a plane cuts a solid object an area is projected onto the plane. The centroidal locations of common cross sections are well documented so it is typically not necessary to calculate the location with the equations above.