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Right Triangle in Real-Life An Application to Right Triangle Trigonometry

Right Triangle in Real-Life An Application to Right Triangle Trigonometry. Introduction. Objective: Solve real life situation problems using Right Triangle Trigonometry. Duration/Mode: 45mins/Student-centered Instructions:

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Right Triangle in Real-Life An Application to Right Triangle Trigonometry

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  1. Right Triangle in Real-LifeAn Application to Right Triangle Trigonometry

  2. Introduction • Objective: Solve real life situation problems using Right Triangle Trigonometry. • Duration/Mode:45mins/Student-centered • Instructions: -click on the icons in the navigation bar below to move from one section to another -Solve what is asked in the problems on a separate sheet of paper. -Answer the quiz at the end of the slide.

  3. x 4°30’ 600m Example: Fasten your seatbelts A small plane takes off from an airport and rises uniformly at an angle of 4°30’ with the horizontal ground. After it has traveled over a horizontal distance of 600m, what is the altitude of the plane to the nearest meter?

  4. x 4°30’ 600m x 4°30’ 600m Solution: Let x = the altitude of the plane as it travels 600m horizontally Since we have the values of an acute angle and its adjacent side, we will use

  5. Let us solve

  6. Let us solve Answer: The altitude of the plane after it has traveled over a horizontal distance of 600m is 47m.

  7. 327km x 22° Let us solve some problems Sail away A ship sailed from a port with a bearing of S22°E. How far south has the ship traveled after covering a distance of 327km?

  8. 25m 70° 2m Emergency!!! A ladder on a fire truck can be turned to a maximum angle of 70° and can be extended to a maximum length of 25m. If the base of the ladder is mounted on the fire truck 2m above the ground, how high above the ground will the ladder reach?

  9. 7m Θ 18m Good Morning From the tip of a shadow by the vertical object such as a tree, the angle of elevation of the top of the object is the same as the angle of elevation of the sun. What is the angle of elevation of the sun if a 7m tall tree casts a shadow of 18m?

  10. 1.5km 5° x Happy Landing A plane is flying at an altitude of 1.5km. The pilot wants to descend into an airport so that the path of the plane makes an angle of 5° with the ground. How far from the airport (horizontal distance) should the descent begin?

  11. Let’s Evaluate Click the icon below to start answering your quiz.

  12. Assignment Make your own Word Problem in Right Triangle Trigonometry. Solve your problem and perform it in real life situation, show your solutions of your answers using PowerPoint presentation or Windows Movie Maker. Pass it on or before Feb. 11, 2008 (Monday) through my email: juliogregorio@hotmail.com

  13. Credits: Basic Trigonometry for SecondarySchool by: Melecio C. Deauna Florita C. Lamayo Pictures: • www.aero-marine.ru/All_Start.html • www.snapshotz.biz/mfd/ • www.bradfitzpatrick.com/stock_illustration/ca... • members.cox.net/oabd

  14. The end

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