Precalculus Day 18. Knight’s Charge2/13/15 Hewey, Dewey, and Louie are camping in their tents. If...
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Transcript of Precalculus Day 18. Knight’s Charge2/13/15 Hewey, Dewey, and Louie are camping in their tents. If...
![Page 1: Precalculus Day 18. Knight’s Charge2/13/15 Hewey, Dewey, and Louie are camping in their tents. If the distance between Hewey and Dewey is 153 feet, the.](https://reader035.fdocuments.us/reader035/viewer/2022070410/56649ed55503460f94be5c9c/html5/thumbnails/1.jpg)
Precalculus Day 18
![Page 2: Precalculus Day 18. Knight’s Charge2/13/15 Hewey, Dewey, and Louie are camping in their tents. If the distance between Hewey and Dewey is 153 feet, the.](https://reader035.fdocuments.us/reader035/viewer/2022070410/56649ed55503460f94be5c9c/html5/thumbnails/2.jpg)
Knight’s Charge 2/13/15
• Hewey, Dewey, and Louie are camping in their tents. If the distance between Hewey and Dewey is 153 feet, the distance between Hewey and Louie is 201 feet, and the distance between Dewey and Louie is 175 feet, what is the angle between Hewey, Dewey, and Louie?
![Page 3: Precalculus Day 18. Knight’s Charge2/13/15 Hewey, Dewey, and Louie are camping in their tents. If the distance between Hewey and Dewey is 153 feet, the.](https://reader035.fdocuments.us/reader035/viewer/2022070410/56649ed55503460f94be5c9c/html5/thumbnails/3.jpg)
![Page 4: Precalculus Day 18. Knight’s Charge2/13/15 Hewey, Dewey, and Louie are camping in their tents. If the distance between Hewey and Dewey is 153 feet, the.](https://reader035.fdocuments.us/reader035/viewer/2022070410/56649ed55503460f94be5c9c/html5/thumbnails/4.jpg)
Area of a Triangle
![Page 5: Precalculus Day 18. Knight’s Charge2/13/15 Hewey, Dewey, and Louie are camping in their tents. If the distance between Hewey and Dewey is 153 feet, the.](https://reader035.fdocuments.us/reader035/viewer/2022070410/56649ed55503460f94be5c9c/html5/thumbnails/5.jpg)
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EXAMPLE:
![Page 7: Precalculus Day 18. Knight’s Charge2/13/15 Hewey, Dewey, and Louie are camping in their tents. If the distance between Hewey and Dewey is 153 feet, the.](https://reader035.fdocuments.us/reader035/viewer/2022070410/56649ed55503460f94be5c9c/html5/thumbnails/7.jpg)
What if we don’t know an angle and want the area of a triangle?
• We’d use Heron’s Formula!
![Page 8: Precalculus Day 18. Knight’s Charge2/13/15 Hewey, Dewey, and Louie are camping in their tents. If the distance between Hewey and Dewey is 153 feet, the.](https://reader035.fdocuments.us/reader035/viewer/2022070410/56649ed55503460f94be5c9c/html5/thumbnails/8.jpg)
EXAMPLE:
• Find the area of a triangle with side lengths 7, 8 and 9.
![Page 9: Precalculus Day 18. Knight’s Charge2/13/15 Hewey, Dewey, and Louie are camping in their tents. If the distance between Hewey and Dewey is 153 feet, the.](https://reader035.fdocuments.us/reader035/viewer/2022070410/56649ed55503460f94be5c9c/html5/thumbnails/9.jpg)
Practice
• http://www.regentsprep.org/regents/math/algtrig/att13/triareatrigprac.htm
![Page 10: Precalculus Day 18. Knight’s Charge2/13/15 Hewey, Dewey, and Louie are camping in their tents. If the distance between Hewey and Dewey is 153 feet, the.](https://reader035.fdocuments.us/reader035/viewer/2022070410/56649ed55503460f94be5c9c/html5/thumbnails/10.jpg)
Summary
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VICTORY LAP
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Homework