Classification of Triangles

Concept Quizzes

Classification of Triangles Warmup
Triangles - Classification By Angles
Triangles - Classification by Sides
Properties of Equilateral Triangles
Properties of Isosceles Triangles

Challenge Quizzes

Classification of Triangles: Level 1 Challenges
Classification of Triangles: Level 2 Challenges
Classification of Triangles: Level 3 Challenges

Classification of Triangles: Level 1 Challenges

Arjit drew an isosceles right angled triangle on the board. What is the measure of the base angle?

180^\circ

45^\circ

60 ^ \circ

90^\circ

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by Calvin Lin

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The polygonal path connecting points A and B forms 7 equilateral triangles.

If the distance between point A to point B is 20 units, then how long is the distance of the path (in units)?

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by Natanael Flores

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Let $\triangle ABC$ and $\triangle CDE$ be equilateral triangles of the same size, and $\angle BCD=80^\circ$ between them. Find the measure of $\angle BAD$ in degrees.

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by Paola Ramírez

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Which non-degenerate triangle cannot have one of its angles as ${91}^\circ$ ?

Isosceles triangle Scalene triangle All of these Right angled triangle

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by Ashish Menon

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Which non-degenerate triangle can have one of its angles as ${89}^{\circ}$ ?

All of these choices Right triangle Scalene triangle Isosceles triangle

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by Ashish Menon

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