Math Example--Polygons--Triangle Classification: Example 9
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Geometry >> Triangles >> Definition of a Triangle

Math Example--Polygons--Triangle Classification: Example 9

Math Example--Polygons--Triangle Classification: Example 9

A triangle with two congruent angles labeled x and a different angle labeled y.

Topic

Triangles

Description

This example shows a triangle with two angles labeled x and one angle labeled y. Since two angles are congruent, the triangle is classified as isosceles.

Triangles can be classified by side lengths or angle measures. Isosceles triangles, with two equal sides or angles, are common. Observing various examples helps students understand these classification criteria.

Providing multiple examples allows students to identify patterns in side and angle relationships, reinforcing accurate triangle classification.

Teacher's Script: "In this triangle, two angles are the same, so we classify it as isosceles. Recognizing equal angles or sides helps us apply the correct classification."

For a complete collection of math examples related to Triangles, click on this link: Math Examples: Triangle Classification Collection.

Common Core Standards CCSS.MATH.CONTENT.7.G.A.2, CCSS.MATH.CONTENT.4.G.A.2, CCSS.MATH.CONTENT.5.G.B.3
Grade Range 4 - 7
Curriculum Nodes Geometry
    • Triangles
        • Definition of a Triangle
Copyright Year 2013
Keywords triangles, classification