Classifying Triangles

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Presentation transcript:

Classifying Triangles Subject: Geometry Grade Level: 6th grade

Recap... What are the three different types of angles? What are their degrees? 11/17/2018 Geometry

In what shapes can we find angles? 11/17/2018 Geometry

How do you think we could classify angles? 11/17/2018 Geometry

Two Ways to Classify Triangles By Their Sides By Their Angles

Classifying Triangles By Their Sides Scalene Isosceles Equilateral

Scalene Triangles No sides are the same length

Isosceles Triangles At least two sides are the same length

Equilateral Triangles all sides are the same length

Classifying Triangles By Their Angles Acute Right Obtuse

Acute triangles have three acute angles

Right Triangles Right triangles have one right angle

Obtuse Triangles Obtuse triangles have one obtuse angle

Classify this triangle. Right Scalene

Classify this triangle. Obtuse Isosceles

Classify this triangle. Acute Scalene

Classify this triangle. Acute Isosceles

Classify this triangle. Obtuse Scalene

Classify this triangle. Right Isosceles

Triangle Degrees The sum of the measures of any triangle is 180°. What is the measure of x? 70° x

The sum of the measures of any triangle is 180°. Triangle Degrees The sum of the measures of any triangle is 180°. What is the measure of x? 45° x

Triangle Degrees The sum of the measures of any triangle is 180°. x What is the measure of x? 60° 50°