tutorials--triangle area and perimeter
TRANSCRIPT
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Area and Perimeter of Triangles
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Overview
This set of tutorials provides 40 examples of how to find the area and perimeter of triangles.
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Example 1. Finding the area of a scalene triangle when all measures are expressed as numbers.
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Example 2. Finding the area of a scalene triangle when all measures are expressed as variable expressions.
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Example 3. Finding the area of an acute triangle when all measures are expressed as numbers.
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Example 4. Finding the area of an acute triangle when all measures are expressed as variable expressions.
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Example 5. Finding the area of an obtuse triangle when all measures are expressed as numbers.
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Example 6. Finding the area of an obtuse triangle when all measures are expressed as variable expressions.
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Example 7. Finding the area of an isosceles triangle when all measures are expressed as numbers.
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Example 8. Finding the area of an isosceles triangle when all measures are expressed as variable expressions.
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Example 9. Finding the area of an equilateral triangle when all measures are expressed as numbers.
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Example 10. Finding the area of an equilateral triangle when all measures are expressed as variable expressions.
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Example 11. Finding the area of a right triangle when all measures are expressed as numbers.
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Example 12. Finding the area of a right triangle when all measures are expressed as variable expressions.
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Example 13. Finding the area of an isosceles right triangle when all measures are expressed as numbers.
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Example 14. Finding the area of an isosceles right triangle when all measures are expressed as variable expressions.
![Page 17: Tutorials--Triangle Area and Perimeter](https://reader034.vdocument.in/reader034/viewer/2022052413/55a0ba6d1a28abe0608b486f/html5/thumbnails/17.jpg)
Example 15. Finding the area of a 30°-60°-90° right triangle when all measures are expressed as numbers.
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Example 16. Finding the area of a 30°-60°-90° right triangle when all measures are expressed as variable expressions.
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Example 17. Finding the area of a 3-4-5 right triangle when all measures are expressed as numbers.
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Example 18. Finding the area of a 3-4-5 right triangle when all measures are expressed as variable expressions.
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Example 19. Finding the area of a 5-12-13 right triangle when all measures are expressed as numbers.
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Example 20. Finding the area of a 5-12-13 right triangle when all measures are expressed as variable expressions.
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Example 21. Finding the perimeter of a scalene triangle when all measures are expressed as numbers.
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Example 22. Finding the perimeter of a scalene triangle when all measures are expressed as variable expressions.
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Example 23. Finding the perimeter of an acute triangle when all measures are expressed as numbers.
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Example 24. Finding the perimeter of an acute triangle when all measures are expressed as variable expressions.
![Page 27: Tutorials--Triangle Area and Perimeter](https://reader034.vdocument.in/reader034/viewer/2022052413/55a0ba6d1a28abe0608b486f/html5/thumbnails/27.jpg)
Example 25. Finding the perimeter of an obtuse triangle when all measures are expressed as numbers.
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Example 26. Finding the perimeter of an obtuse triangle when all measures are expressed as variable expressions.
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Example 27. Finding the perimeter of an isosceles triangle when all measures are expressed as numbers.
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Example 28. Finding the perimeter of an isosceles triangle when all measures are expressed as variable expressions.
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Example 29. Finding the perimeter of an equilateral triangle when all measures are expressed as numbers.
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Example 30. Finding the perimeter of an equilateral triangle when all measures are expressed as variable expressions.
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Example 31. Finding the perimeter of a right triangle when all measures are expressed as variables and numbers.
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Example 32. Finding the perimeter of a right triangle when all measures are expressed as variable expressions.
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Example 33. Finding the perimeter of an isosceles right triangle when all measures are expressed as variables and numbers.
![Page 36: Tutorials--Triangle Area and Perimeter](https://reader034.vdocument.in/reader034/viewer/2022052413/55a0ba6d1a28abe0608b486f/html5/thumbnails/36.jpg)
Example 34. Finding the perimeter of an isosceles right triangle when all measures are expressed as variable expressions.
![Page 37: Tutorials--Triangle Area and Perimeter](https://reader034.vdocument.in/reader034/viewer/2022052413/55a0ba6d1a28abe0608b486f/html5/thumbnails/37.jpg)
Example 35. Finding the perimeter of a 30°-60°-90° right triangle when all measures are expressed as variables and numbers.
![Page 38: Tutorials--Triangle Area and Perimeter](https://reader034.vdocument.in/reader034/viewer/2022052413/55a0ba6d1a28abe0608b486f/html5/thumbnails/38.jpg)
Example 36. Finding the perimeter of a 30°-60°-90° right triangle when all measures are expressed as variable expressions.
![Page 39: Tutorials--Triangle Area and Perimeter](https://reader034.vdocument.in/reader034/viewer/2022052413/55a0ba6d1a28abe0608b486f/html5/thumbnails/39.jpg)
Example 37. Finding the perimeter of a 3-4-5 right triangle when all measures are expressed as variables and numbers.
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Example 38. Finding the perimeter of a 3-4-5 right triangle when all measures are expressed as variable expressions.
![Page 41: Tutorials--Triangle Area and Perimeter](https://reader034.vdocument.in/reader034/viewer/2022052413/55a0ba6d1a28abe0608b486f/html5/thumbnails/41.jpg)
Example 39. Finding the perimeter of a 5-12-13 right triangle when all measures are expressed as variables and numbers.
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Example 40. Finding the perimeter of a 5-12-13 right triangle when all measures are expressed as variable expressions.