Khan Academy: Geometry: Area of a Regular Hexagon

The measurements are all in the can. The review for the math portion of the General Certificate of Secondary Education assessments provides scholars the opportunity to review finding volume and surface area of a cylinder. Pupils work on...

This production, the second installment in a series of circles, demonstrates the process of finding the area of a circle. It is effective as an introductory tool. However, it needs to explain the reasoning behind the formula because that...

Sliding over a corner makes a rectangle. The resource demonstrates why the formula of the area of a parallelogram works. As part of a larger playlist on basic geometry, the video works examples dealing with parallelogram areas.

Using what we know about triangles to find the area of a regular hexagon.

The lateral surface area of a cone. Hmmm, what does that mean? Oh, it means the part you see if the cone was sitting on a flat surface, so it does not include the base. But if you want to include the base then it would be finding the...

Step-by-step, viewers are taught how to use one angle to find the area of a triangle. This video is useful for your trigonometry learners, especially if you employ a flipped classroom model. Mathematicians can view this at home and them...

Short, but to the point, an informative resource does the job! A quick video lesson describes how to calculate the area of a semi-circle. Learners watch the video tutorial and then practice with the included practice problems.

Don't avoid the cuboid. A short video describes how to find the surface area of a rectangular prism by adding the areas of all its sides. The narrator of the video works through two examples using the process to ensure understanding.

Demonstrates how to derive the formula for the area of parallelogram based on the area formula for a triangle. [5:42]

A regular hexagon is made of six congruent triangles. A video lesson shows learners how to use this information to find the area of a hexagon given the side length. Because the triangles are equilateral, they use the Pythagorean Theorem...