High Five Facts - Triangles

The video tutorial covers five key facts about triangles. It begins by defining triangles as three-sided polygons and explains their basic properties. It then discusses the angle sum property, stating that the angles in a triangle always add up to 180 degrees. The tutorial describes different types of triangles, including right angle, scalene, isosceles, and equilateral triangles, and explains the characteristics of each. It also covers the types of angles found in triangles, such as acute and obtuse angles. Finally, the video provides examples of triangular shapes found in everyday life, like pizza slices and traffic signs.

What is the sum of all angles in a triangle?

• 180 degrees

• 270 degrees

• 90 degrees

• 360 degrees

Which type of triangle has all sides of different lengths?

• Right triangle

• Scalene triangle

• Isosceles triangle

• Equilateral triangle

In a right triangle, what is the longest side called?

• Height

• Median

• Base

• Hypotenuse

What type of triangle has angles less than 90 degrees?

• Obtuse triangle

• Right triangle

• Acute triangle

• Scalene triangle

Which of the following is an example of a triangular object?

• A soccer ball

• A book

• A pizza slice

• A basketball