Instructional Video0:56
Curated Video

Area of a Valentine's Day Heart | 7.G.B.4

9th - 12th
In this shorts video we will find the area of a Valentine's Day Heart. We will be presented with a composite figure, a heart. A composite figure is a figure composed of two or more two-dimensional figures. The heart is formed by a...
Instructional Video
Imagine Learning Classroom

Learn Zillion: Visualize Cross Sections of Pyramids

9th - 10th Standards
In this lesson, you will learn how to visualize the 2D cross-sections of pyramids by determining the number of faces intersected by a plane. [3:53]
Instructional Video
Sophia Learning

Sophia: Using Triangles to Find the Sum of Interior Angles

9th - 10th Standards
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon.
Instructional Video
Sophia Learning

Sophia: Using Triangles to Find the Sum of Interior Angles

9th - 10th Standards
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon.
Instructional Video
Sophia Learning

Sophia: Using Triangles to Find the Sum of Interior Angles

9th - 10th Standards
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon.
Instructional Video
Sophia Learning

Sophia: Using Triangles to Find the Sum of Interior Angles

9th - 10th Standards
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon.
Instructional Video
Sophia Learning

Sophia: Vertical Angles

9th - 10th Standards
This lesson introduces and defines vertical angles.
Instructional Video
Sophia Learning

Sophia: Vertical Angles

9th - 10th Standards
This lesson introduces and defines vertical angles.