Angles

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 4-5

Adding and Subtracting Angles

Use addition and subtraction to find unknown measures of non-overlapping angles.

Middle School

GRADES 6-8

Angle 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.

Using Theorems for Angles Formed by Parallel Lines

Use definitions and theorems of angles formed when a transversal intersects parallel lines.

Related Topics

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