Centroid in Solid Figures

Centroid in a solid figure is point of center of gravity. As centroid is center point of object.

Formula for calculating the centroid in solid figures :

Cx = ∫x dV/V , Cy = ∫y dV/V and Cz = ∫z dV/V

Where,

  • The perpendicular distance in the x direction from the yz-plane to the centroid is Cx,
  • The perpendicular distance in the y direction from the zx-plane to the centroid is Cy,
  • The perpendicular distance in the z direction from the xy-plane to the centroid is Cz, and
  • The coordinates of the centroid are (Cx , Cy , Cz).

Centroid of a Triangle

Centroid is a geometric point that represents the center of mass or the average position of all points in a shape or object, often used in mathematics, physics, and engineering for various analytical purposes. Centroid always lies within the figure and is not only related to triangles; it can be determined for every geometric figure as well.

In this article, we will explore the concept of the centroid in detail, including the centroid of triangles as well as centroid of various geometric shapes such as triangles, quadrilaterals, polygons, as well as circles. Additionally, we will learn about the formula to calculate the centroid of a triangle using the coordinates of its vertices.

Table of Content

  • What is Centroid?
  • Properties of Centroid
  • Centroid of a Triangle
    • Centroid Definition in Triangle
  • Centroid in Plane Figures
    • Centroid of Quadrilateral
    • Centroid of Circle
  • Centroid in Solid Figures
  • Centroid FAQs

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What is Centroid?

In geometry, a centroid is a point defined as the arithmetic mean position of all the points in a shape. It is often referred to as the “center of mass” or the “center of gravity” of a geometric object. The centroid depends on the distribution of mass or points within the object and is a useful concept in various branches of geometry, physics, and engineering....

Properties of Centroid

The properties of centroid are mentioned below:...

Centroid of a Triangle

Similarly, we can derive centroid of more geometric figure by calculating mid point that lies inside the figure. In mathematics centroid is mainly concerned with triangles. Centroid is point inside triangle , where all three medians of triangle intersect. In further section we will derive the formula of centroid of triangle and discuss some problems based on it....

Centroid Formula for Triangle

The centroid of a triangle can be calculated by using centroid formula. If the vertices of triangle are in the form of (x1 , y1) , (x2 , y2) and (x3 , y3) then centroid of triangle can be define as:...

Centroid in Plane Figures

Centroid for some common plane figures are discussed as follows:...

Centroid in Solid Figures

Centroid in a solid figure is point of center of gravity. As centroid is center point of object....

Centroid Vs Circumcenter Vs Incenter

The key difference between centroid, circumcenter and incenter are listed in the following table:...

Summary: Centroid

Figure Centroid Location Triangle Intersection of medians Square Intersection of diagonals Rectangle Intersection of diagonals Circle Center of the circle Regular Polygon Center of the polygon...

Sample Problems on Centroid

Problem 1: Find the centroid of triangle if the coordinates of triangle are (9,8) , (6,7) and (2,3)....

Practice Problems on Centroid

Here are some practice problems on centroids:...

Centroid FAQs

What do you mean by Centroid?...