Triangles

The video tutorial explains different types of triangles, including isosceles, obtuse, equilateral, acute, scalene, and right triangles. It highlights how to classify triangles based on their sides and angles, emphasizing that the sum of angles in any triangle is always 180 degrees. The tutorial uses real-world examples like mountains, road signs, and skateboard ramps to illustrate these concepts.

Which type of triangle has two equal sides?

• Isosceles

• Scalene

• Right

• Equilateral

What is the sum of all angles in any triangle?

• 180 degrees

• 90 degrees

• 360 degrees

• 270 degrees

Which triangle has all sides of equal length?

• Scalene

• Obtuse

• Isosceles

• Equilateral

What is a characteristic of an acute triangle?

• All sides are of different lengths

• One angle is more than 90 degrees

• All angles are less than 90 degrees

• One angle is exactly 90 degrees

Which triangle has all sides of different lengths?

• Isosceles

• Right

• Equilateral

• Scalene