Angles
Learn and practice identifying, drawing and, measuring different types of angles and become an expert in angles with interactive resources from GeoGebra.
Upper Elementary
GRADES 4-5Adding and Subtracting Angles
Use addition and subtraction to find unknown measures of non-overlapping angles.
Angles
Identify and label the vertex, rays, and interior and exterior of an angle. Use appropriate naming conventions to identify angles.
Drawing and Measuring Angles with a Protractor
Draw and measure angles using a protractor. Understand that a circle measures 360 degrees.
Types of Angles
Identify and draw angles (acute, right, obtuse, and straight).
Middle School
GRADES 6-8Angle Sum Properties of Triangles, Quadrilaterals, and Polygons
Use a variety of triangles, quadrilaterals, and other polygons to draw conclusions about the sum of the measures of the interior angles.
Complementary and Supplementary Angles
Define and identify complementary and supplementary angles.
Lines and Angles
Define and identify alternate interior, alternate exterior, corresponding, adjacent and vertical angles.
Pairs of Angles
Use properties, definitions, and theorems of angles and lines to solve problems related to adjacent, vertical, complementary, supplementary, and linear pairs of angles.
![Afdrukvoorbeeld](/_next/image?url=https%3A%2F%2Fwww.geogebra.org%2Fresource%2Fnyzzqfxh%2FspecThumb%2Fmaterial-nyzzqfxh.png&w=3840&q=75)
Unknown Complementary Angles
![Afdrukvoorbeeld](/_next/image?url=https%3A%2F%2Fwww.geogebra.org%2Fresource%2Fbs487ywn%2FspecThumb%2Fmaterial-bs487ywn.png&w=3840&q=75)
Finding Unknown Complementary Angles
![Afdrukvoorbeeld](/_next/image?url=https%3A%2F%2Fwww.geogebra.org%2Fresource%2Fdd5sky7m%2FspecThumb%2Fmaterial-dd5sky7m.png&w=3840&q=75)
Unknown Supplementary Angles
![Afdrukvoorbeeld](/_next/image?url=https%3A%2F%2Fwww.geogebra.org%2Fresource%2Fpt6e3c8a%2FspecThumb%2Fmaterial-pt6e3c8a.png&w=3840&q=75)
Finding Unknown Supplementary Angles
![Afdrukvoorbeeld](/_next/image?url=https%3A%2F%2Fwww.geogebra.org%2Fresource%2Fxeytjnap%2FspecThumb%2Fmaterial-xeytjnap.png&w=3840&q=75)
Unknown Vertical Angles
![Afdrukvoorbeeld](/_next/image?url=https%3A%2F%2Fwww.geogebra.org%2Fresource%2Feugttm7j%2FspecThumb%2Fmaterial-eugttm7j.png&w=3840&q=75)
Finding Unknown Values in Vertical Angles
![Afdrukvoorbeeld](/_next/image?url=https%3A%2F%2Fwww.geogebra.org%2Fresource%2Fvqmbyhbc%2FspecThumb%2Fmaterial-vqmbyhbc.png&w=3840&q=75)
Unknown Adjacent Angles
![Afdrukvoorbeeld](/_next/image?url=https%3A%2F%2Fwww.geogebra.org%2Fresource%2Fcznvcfxy%2FspecThumb%2Fmaterial-cznvcfxy.png&w=3840&q=75)
Finding Unknown Values in Adjacent Angles
Using Theorems for Angles Formed by Parallel Lines
Use definitions and theorems of angles formed when a transversal intersects parallel lines.
Verwante onderwerpen
Community materiaal
Verken een uitgebreide verzameling van meer dan een miljoen wiskunde- en natuurkunde bestanden, oefeningen en lessen, minutieus gecreëerd door onze wereldwijde GeoGebra community. Dompel jezelf onder in de grenzeloze mogelijkheden die op je wachten.
![Een illustratie die het intergeconnecteerde netwerkt uitbeeld van gebruikers over heel de aardbol.](/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fcommunity-resources.e343357d.png&w=3840&q=75)
Start vandaag met GeoGebra
Creëer een gratis account waarmee je op elk moment je vorderingen kunt opslaan en duizenden bestanden kunt gebruiken, aanpassen en delen met anderen