STEM Browse 6407 lessons in library

### Geometry

• 35
258 min
35-part Geometry course
Playing
146 CQ
Basic Principles of Geometry
A 35-part course with Math Fortress

Having trouble in geometry class? Reviewing for the SATs? This course from Math Fortress explains the principles of geometry, from segments, intersections, and degrees to angles and congruence.

Having trouble in geometry class? Reviewing for the SATs? This course from Math Fortress explains the principles of geometry, from segments, intersections, and degrees to angles and congruence.

• • 6 min
Geometry lesson
Playing
4 CQ
A lesson with Sanjay Noronha

The math problem covered in this lesson appeared in an MIT admission test in the year 1869, and is a good test of geometry concepts. Give it a try!

The math problem covered in this lesson appeared in an MIT admission test in the year 1869, and is a good test of geometry concepts. Give it a try!

• 3 min
FREE
Geometry Nerdy Curio
Playing
Free
2 CQ
The Power of Three
A lesson with Engines of our Ingenuity

As we kick off a new year, let us ponder our we've "shaped" our world. A Nerdy Curio all about flat surfaces, stability, and the power of three.

As we kick off a new year, let us ponder our we've "shaped" our world. A Nerdy Curio all about flat surfaces, stability, and the power of three.

• 1 min
FREE
Geometry lesson
Playing
Free
1 CQ
Geometric definition of point and line
A lesson with Math Fortress
• 2 min
FREE
Geometry lesson
Playing
Free
2 CQ
The Pythagorean Theorem
A lesson with Sanjay Noronha

In this lesson, a young learner helps kids understand a foundational mathematical concept—how to solve for the hypotenuse of a right angle triangle!

In this lesson, a young learner helps kids understand a foundational mathematical concept—how to solve for the hypotenuse of a right angle triangle!

• 19 min
FREE
Algebra lesson
Playing
Free
10 CQ
The Pythagorean Theorem
A lesson with Me vs Maths

The Pythagorean theorem is one of the most important ideas in geometry. Learn to use Pythagoras’ theorem to solve triangles, diagonals, and more!

The Pythagorean theorem is one of the most important ideas in geometry. Learn to use Pythagoras’ theorem to solve triangles, diagonals, and more!

• 5 min
FREE
Geometry lesson
Playing
Free
3 CQ
Shortest Distance from a Point to a Line
A lesson with Al Richards

Want to know how to find the shortest distance from a point to a line? Math teacher Al Richards demonstrates how using analytic geometry and trigonometry.

Want to know how to find the shortest distance from a point to a line? Math teacher Al Richards demonstrates how using analytic geometry and trigonometry.

• 9 min
FREE
Algebra lesson
Playing
Free
5 CQ
Intro to the Pythagorean Theorem
A lesson with Master Math

The Pythagorean theorem is an essential mathematical equation used in the study of algebra and geometry. Learn how to use it to solve for different variables.

The Pythagorean theorem is an essential mathematical equation used in the study of algebra and geometry. Learn how to use it to solve for different variables.