# Category: Second moment of area for plain shapes

## 27-Two Practice problems for Ixy for trapezium.

The post includes Two Practice problems for Ixy for trapezium. The first problem is for Ixy about an external axis, while the second is for Ixy at the CG.

## 26-Two Practice problems for polar of inertia for trapezium.

The post includes Two Practice problems for polar of inertia for trapezium. The first problem is for Jo and Ko at an external axis, while the second is for Jo and Ko at the CG.

## 25-Two Practice problems for inertia for trapezium.

We have two practice problems for inertia and radius of gyration for a given trapezium. A step-by-step guide to get Ix and kx.

## 23-Video for Ixy for an isosceles triangle.

Video for Ixy for an isosceles triangle. how to find Ixy value at the left corner and at the CG?

## 22-Video for Ix and Iy for an isosceles triangle.

Video for Ix and Iy for an isosceles triangle at the left corner. What are the values of ix and Iy at the Cg?

## 21-Video for Ixy for a triangle.

Video for Ixy for a triangle. How to determine the Ixy for a triangle on the left corner and discover the Ixy value at the CG?