9.6 use trig ratios to solve word problems. hint: when solving word problems draw the picture
TRANSCRIPT
![Page 1: 9.6 Use Trig Ratios to Solve Word Problems. Hint: When solving word problems draw the picture](https://reader035.vdocuments.net/reader035/viewer/2022062407/56649ddb5503460f94ad2af8/html5/thumbnails/1.jpg)
9.6 Use Trig Ratios to
Solve Word Problems
![Page 2: 9.6 Use Trig Ratios to Solve Word Problems. Hint: When solving word problems draw the picture](https://reader035.vdocuments.net/reader035/viewer/2022062407/56649ddb5503460f94ad2af8/html5/thumbnails/2.jpg)
Hint: When solving word problems draw the pictureO Remember the Trig ratios previous
learned in lessons 9.1-9.5
O sin = cos tan =
New vocabulary: Angle of Elevation and Depression
![Page 3: 9.6 Use Trig Ratios to Solve Word Problems. Hint: When solving word problems draw the picture](https://reader035.vdocuments.net/reader035/viewer/2022062407/56649ddb5503460f94ad2af8/html5/thumbnails/3.jpg)
New vocabulary: Angle of Elevation and Depression
![Page 4: 9.6 Use Trig Ratios to Solve Word Problems. Hint: When solving word problems draw the picture](https://reader035.vdocuments.net/reader035/viewer/2022062407/56649ddb5503460f94ad2af8/html5/thumbnails/4.jpg)
Lets try a Problem #1 O This one is drawn for youO Problem: A tree cast a shadow
shown. What is the height of the tree?
About 15 ft.
![Page 5: 9.6 Use Trig Ratios to Solve Word Problems. Hint: When solving word problems draw the picture](https://reader035.vdocuments.net/reader035/viewer/2022062407/56649ddb5503460f94ad2af8/html5/thumbnails/5.jpg)
Lets try another #2
Problem: The Falls Incline Railway at Niagara Falls has an angle of elevation if 36°. The railway extends a horizontal distance of about 138 feet. Find the height and length of the railway.
Height: 100 ft. Length: 171 ft.
![Page 6: 9.6 Use Trig Ratios to Solve Word Problems. Hint: When solving word problems draw the picture](https://reader035.vdocuments.net/reader035/viewer/2022062407/56649ddb5503460f94ad2af8/html5/thumbnails/6.jpg)
You Try #3
You
Problem: You are standing 50 meters from a hot air balloon that is preparing to take off. The angle of elevation to the top of the balloon is 28°. Find the height of the balloon.
28°
50 meters
h ?
Ans: about 26.6 m
![Page 7: 9.6 Use Trig Ratios to Solve Word Problems. Hint: When solving word problems draw the picture](https://reader035.vdocuments.net/reader035/viewer/2022062407/56649ddb5503460f94ad2af8/html5/thumbnails/7.jpg)
You Try #4
Problem: You use a 12 foot ramp to load items into a van. If the floor of the van is 4 feet off the ground, what is the angle of elevation of the ramp? (Hint: draw the picture and label)
![Page 8: 9.6 Use Trig Ratios to Solve Word Problems. Hint: When solving word problems draw the picture](https://reader035.vdocuments.net/reader035/viewer/2022062407/56649ddb5503460f94ad2af8/html5/thumbnails/8.jpg)
The End