Learn how to find the surface area of a cone

The video tutorial covers the calculation of the surface area of a cone, focusing on the use of the Pythagorean theorem to find the slant height. The teacher explains the formulas involved and demonstrates the calculation process. The session transitions into a classroom activity setup and a discussion on homework assignments, with the teacher providing guidance and checking students' work.

What is the formula for calculating the surface area of a cone?

How do you find the lateral area of a cone?

What does 'l' represent in the context of the cone's surface area?

What are the values of the radius and height used in the example?

Explain how the Pythagorean theorem is applied to find the slant height of a cone.

How do you calculate the surface area once you have the values for radius and slant height?

What is the final surface area calculated in the example, and what are its units?

Describe the activity mentioned at the end of the lesson.

What should students do if they have questions about their homework?

What is the importance of having an assignment organizer according to the teacher?