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 the lateral area of a cone?

• pi r h

• 2 pi r

• pi r l

• pi r squared

Which theorem is used to find the slant height of a cone?

• Fermat's Last theorem

• Fundamental theorem of calculus

• Binomial theorem

• Pythagorean theorem

What is the first step in the 'truth or dare' activity setup?

• Discuss the rules

• Start the activity

• Put desks into rows

• Take out homework

What should students take out along with their homework?

• Assignment organizers

• Notebooks

• Textbooks

• Calculators

What is the purpose of the homework quiz activity?

• To take a test

• To organize desks

• To fill the board with problems

• To complete assignments

What should students do if they are struggling with a problem during the homework quiz?

• Ask the teacher for help

• Copy from a friend

• Skip the problem

• Look at other students' answers

What is the teacher's response to a student who hasn't done any homework?

• Ignore the student

• Provide a new assignment organizer

• Give extra homework

• Send the student to the principal

What should students do with their assignment organizers?

• Throw them away

• Use them to write down homework

• Decorate them

• Ignore them

What is the teacher's advice for finding the area of shapes?

• Divide the areas of all sides

• Add the areas of all sides

• Subtract the areas of all sides

• Multiply all sides

What should students do if they have completed their homework?

• Start a new assignment

• Leave the class

• Help others

• Put a problem on the board