Triangles
Learn and practice identifying and classifying triangles with interactive resources from GeoGebra.
Upper Elementary
GRADES 4-5
Types of Triangles
Identify and classify triangles according to the measures of the interior angles and the lengths of the sides; relate triangles based upon their hierarchical attributes.
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.
Similar Triangles and Correspondence
Use properties of triangles to solve problems related to similar triangles and the relationships of their corresponding parts.
Triangle Inequality Theorem
Recognize conditions of side lengths that determine a unique triangle, more than one triangle, or no triangle.
High School
GRADES 9-12
Trigonometric Ratios
Use trigonometric ratios to represent relationships in right triangles to solve number and word problems.
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커뮤니티 자료
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