Angles: Complementary and Supplementary Concepts

The video tutorial introduces various types of angles, including acute, right, obtuse, straight, reflex, and complete angles. It then focuses on complementary angles, which are two angles whose sum is 90 degrees, providing examples and calculations. The tutorial also covers supplementary angles, which are two angles whose sum is 180 degrees, with examples and calculations. The video aims to clarify these concepts and encourages viewers to subscribe for more educational content.

What is the main topic of the video?

• Types of triangles

• Complementary and supplementary angles

• Parallel lines

• Quadrilaterals

Which angle is less than 90 degrees?

• Acute angle

• Obtuse angle

• Right angle

• Straight angle

What is the measure of a right angle?

• 45 degrees

• 90 degrees

• 180 degrees

• 360 degrees

Which angle is exactly 180 degrees?

• Acute angle

• Right angle

• Straight angle

• Reflex angle

What is the reflex angle range?

• 90 to 180 degrees

• 0 to 90 degrees

• 180 to 360 degrees

• 360 to 720 degrees

What is the complete angle measure?

• 360 degrees

• 90 degrees

• 180 degrees

• 270 degrees

Which angle is more than 90 degrees but less than 180 degrees?

• Acute angle

• Obtuse angle

• Straight angle

• Right angle

What is the sum of two complementary angles?

• 45 degrees

• 360 degrees

• 90 degrees

• 180 degrees

If one angle is 30 degrees, what is its complementary angle?

• 60 degrees

• 90 degrees

• 150 degrees

• 120 degrees

What is the complementary angle of 33 degrees?

• 57 degrees

• 67 degrees

• 77 degrees

• 87 degrees