# First moment of area-plain shapes

A complete illustration for the first moment of area, how to determine the area by the integration? How to get the distance of Cg for a given axis? Plain areas are illustrated. ## 9- Easy approach to Area and Cg for a Parallelogram.

The post includes the steps needed to get the area and Cg for a Parallelogram. This is done by getting the first moments of areas about two external axes. ## 8- Easy illustration for Area and Cg of a Trapezium.

The post includes the steps needed to get the area and CG of a Trapezium. This is done by getting the first moments of areas about two external axes. ## 7- How to find Area and Cg for a rectangle?

How to determine the area and Cg for a rectangle? The rectangle area and GC values are obtained by integration of infinitesimal area about external axes. ## 6- Easy steps to find the area and Cg of a triangle.

How to determine the area and Cg of a triangle? Divide Triangle into two right-angle triangles and use to find get X bar and y bar for the triangle. ## 3-How to determine y bar for a right angle-case-1?

How to estimate y bar for a right angle triangle case-1 by using a horizontal strip? There are detailed steps to get the expression for the y bar.

Scroll to Top