Classifying triangles
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Intros
Lessons
- Naming types of triangles based on their properties
- By angles
- Acute
- Right
- Obtuse
- By sides
- Scalene
- Isosceles
- Equilateral
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Examples
Lessons
- Classify the triangle by its sides and angles.
- Draw and classify the triangle by its vertices. Then, determine if it is a right triangle.
- Find x. Then, classify the triangle by its angles.
- One angle of a triangular chocolate box is 20°. The measure of the second angle is 3 times smaller than the third one. Find the measures of the two unknown angles.