TIPS Solve This Word Problems With Bearings

The video tutorial provides tips for solving word problems involving bearings, a topic that often confuses students. It emphasizes the importance of drawing diagrams to visualize problems and explains how to use the law of cosines to find angles in a triangle. The tutorial demonstrates calculating bearings from a port to a ship and vice versa, using cardinal directions and angle relationships. The video concludes with a summary and additional resources for further learning.

Why is it important to draw a picture when solving word problems involving bearings?

• It helps in visualizing the problem and extracting mathematical equations.

• It allows you to avoid using any formulas.

• It ensures you don't need to read the problem statement.

• It makes the problem more colorful.

What is the first step when dealing with a problem involving directions and bearings?

• Ignore the directions and focus on the distances.

• Estimate the time taken for the journey.

• Create a cardinal direction diagram.

• Calculate the total distance traveled.

Which mathematical tool is used to solve for angles in oblique triangles?

• Law of Sines

• Law of Cosines

• Pythagorean Theorem

• Trigonometric Identities

How do you find the bearing from the port to the ship?

• By measuring the distance directly.

• Using the law of cosines and complementary angles.

• By guessing the angle based on the diagram.

• By using only the cardinal directions.

What is the bearing from the port to the ship in the given problem?

• 264.07 degrees

• 84.07 degrees

• 180 degrees

• 90 degrees

What angle relationships are used to find the bearing from the ship back to the port?

• Corresponding angles and alternate interior angles

• Vertical angles and supplementary angles

• Adjacent angles and linear pairs

• Complementary angles and exterior angles

What is the final bearing from the ship back to the port?

• 90 degrees

• 180 degrees

• 264.07 degrees

• 84.07 degrees