How to label a triangle as acute obtuse, right or equiangular

The video tutorial covers different types of triangles, including acute, obtuse, equiangular, and right triangles. It explains the properties of each type, such as the angles involved. The teacher also addresses classroom behavior, emphasizing the importance of no communication during tests. The session concludes with a detailed explanation of how to identify each triangle type based on its angles.

Which type of triangle has all angles less than 90 degrees?

• Equiangular triangle

• Acute triangle

• Right triangle

• Obtuse triangle

What should students avoid doing during a test according to the teacher?

• Using calculators

• Writing notes

• Talking to each other

• Looking at the board

What is a characteristic of an obtuse triangle?

• It has one angle greater than 90 degrees

• All angles are equal

• All angles are less than 90 degrees

• It has a right angle

In an equiangular triangle, what is the measure of each angle?

• 90 degrees

• 60 degrees

• 45 degrees

• 120 degrees

What defines a right triangle?

• All angles are obtuse

• It has one right angle

• All angles are equal

• All angles are acute