How to find the missing parts of a triangle using law of sines

The video tutorial begins with a personal anecdote about stolen calculators, leading into a lesson on the Law of Sines. The teacher explains how to apply the Law of Sines to solve for unknown sides and angles in a triangle. The process involves calculating side C, finding angle B using the angle sum property, and then solving for side B. The tutorial concludes with a recap of the problem-solving steps.

What is the main topic introduced by the teacher after sharing a personal story?

• The use of angles in geometry

• The history of triangles

• The Law of Sines

• The importance of calculators

Which formula is used to relate the sides and angles of a triangle?

• Area of a Triangle

• Law of Sines

• Law of Cosines

• Pythagorean Theorem

What is the first step in solving for side length C using the Law of Sines?

• Add all angles of the triangle

• Use cross multiplication

• Find the sine of angle B

• Calculate the area of the triangle

What is the calculated value of side length C in the problem?

• 16.7

• 21.6

• 6.36

• 19.32

How is angle B determined in a triangle when two angles are known?

• By measuring with a protractor

• By using the Law of Cosines

• By subtracting the known angles from 180 degrees

• By using the Law of Sines

Which angle is calculated using the sum of angles in a triangle?

• Angle A

• All angles

• Angle B

• Angle C

What is the final calculated value of side length B?

• 19.32

• 21.6

• 16.7

• 60.9