Parallelogram Theorem | Adjacent Angles are Supplementary

Опубликовано: 19 Май 2026
на канале: GEOMETRY ZONE
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#parallelogram#adjacentanglesof parallelograms#geometryzone

In this video, we learn an important theorem of parallelogram.
👉 Adjacent angles of a parallelogram are supplementary to each other.
This means: ∠A + ∠B = 180°
∠B + ∠C = 180°
We explain this concept with a clear diagram and easy steps so that students can understand quickly.
📌 Topics Covered:
Parallelogram properties
Adjacent angles theorem
Supplementary angles (180°)
Geometry basics
🎯 Perfect for:
Class 8, 9, 10 students
Board exam preparation
Beginners in geometry
📚 Watch full playlist: Parallelogram Full Course (All Theorems)
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keywords:
adjacent angles parallelogram
supplementary angles geometry
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Credit:
Canvapro
chatgpt
Music:
Easy Lemon Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/licenses/b...
Music promoted by https://freemusicbg.com
and https://www.chosic.com
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#parallelogram #geometry #maths #theorem #education #learnmath #class9 #boardexam #geometryzone
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Time stamp :
00:00-00:07 introduction of theorem
00:07-00:14 1st part of theorem i.e statement
00:14-00:35 2nd part of theorem i.e given
00:35-00:54 3rd part of theorem i e to prove
00:54-02:02 proof
02:02-02:24 outro of class
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Disclaimer:
This video is created for educational purposes only. All geometric constructions shown here follow standard school-level methods. Students are advised to practice carefully using proper tools. Geometry Zone is not responsible for any misuse of the content.