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  • Home
  • LESSONS
    • Pre-Algebra
    • Algebra 1
    • Geometry
    • Algebra 2
  • About
  • Contact
  • Blog
  • Shop
  • Courses

Geometry Lessons

Free geometry lessons and help for students learning about area, angles, triangles, and more. 

 help anArea
Area vs. Perimeter
Area of a Circle
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Area of a Triangle


Angles
Complementary and Supplementary Angles
Vertical Angles
The Exterior Angle Theorem (Exterior and Remote Interior Angles) 

More geometry help and lessons are coming soon! Have a request for a particular topic? Send me a message. 
Similar and Congruent Triangles
Scale Factors of Similar Figures
Solving Proportions
Triangle Congruence Postulates (SSS, SAS, ASA, AAS)
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​Right Triangles
The Pythagorean Theorem
Converse of the Pythagorean Theorem

Special Right Triangles (45-45-90, 30-60-90)
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Other
The Distance Formula
The Midpoint Formula

The Triangle Inequality Theorem
Geometry lesson on scale factors
Geometry help with congruent triangles
Want to try one of my digital math activities for free?  Click the link to grab the teacher version or student version.

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