Sophia Learning
Sophia: Interior Angles
Explore the interior angles of polygons and the degree of each angle as well as the total degree of the entire polygon. Assess learning with a quiz.
Sophia Learning
Sophia: Intersecting Planes and the Coordinate Plane
In this video lesson, students use a coordinate plane to determine what happens when two more planes intersect. [2:26]
Sophia Learning
Sophia: Perpendicular Lines
This lesson defines perpendicular lines and gives an assessment to check understanding.
Sophia Learning
Sophia: Perpendicular Lines
Discover the difference between perpendicular lines and intersecting lines. Assess understanding with a quiz.
Sophia Learning
Sophia: Triangle Exterior Angles Theorem
Explore how to find the exterior angle of a triangle using information about adjacent angles and opposite angles. Assess learning with a quiz.
Sophia Learning
Sophia: Using Triangles to Find the Sum of Interior Angles
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon.
Sophia Learning
Sophia: Using Triangles to Find the Sum of Interior Angles
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon.
