Tutorials--Triangle Area and Perimeter
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This document provides 40 examples of calculating the area and perimeter of different types of triangles, including scalene, acute, obtuse, isosceles, equilateral, right triangles and specific right triangles defined by their angles or side lengths. The examples show calculations with measures expressed as both numbers and variables.
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Tutorials--Triangle Area and Perimeter
- 1. Area and Perimeter of Triangles
- 2. Overview This set of tutorials provides 40 examples of how to find the area and perimeter of triangles.
- 3. Example 1. Finding the area of a scalene triangle when all measures are expressed as numbers.
- 4. Example 2. Finding the area of a scalene triangle when all measures are expressed as variable expressions.
- 5. Example 3. Finding the area of an acute triangle when all measures are expressed as numbers.
- 6. Example 4. Finding the area of an acute triangle when all measures are expressed as variable expressions.
- 7. Example 5. Finding the area of an obtuse triangle when all measures are expressed as numbers.
- 8. Example 6. Finding the area of an obtuse triangle when all measures are expressed as variable expressions.
- 9. Example 7. Finding the area of an isosceles triangle when all measures are expressed as numbers.
- 10. Example 8. Finding the area of an isosceles triangle when all measures are expressed as variable expressions.
- 11. Example 9. Finding the area of an equilateral triangle when all measures are expressed as numbers.
- 12. Example 10. Finding the area of an equilateral triangle when all measures are expressed as variable expressions.
- 13. Example 11. Finding the area of a right triangle when all measures are expressed as numbers.
- 14. Example 12. Finding the area of a right triangle when all measures are expressed as variable expressions.
- 15. Example 13. Finding the area of an isosceles right triangle when all measures are expressed as numbers.
- 16. Example 14. Finding the area of an isosceles right triangle when all measures are expressed as variable expressions.
- 17. Example 15. Finding the area of a 30°-60°-90° right triangle when all measures are expressed as numbers.
- 18. Example 16. Finding the area of a 30°-60°-90° right triangle when all measures are expressed as variable expressions.
- 19. Example 17. Finding the area of a 3-4-5 right triangle when all measures are expressed as numbers.
- 20. Example 18. Finding the area of a 3-4-5 right triangle when all measures are expressed as variable expressions.
- 21. Example 19. Finding the area of a 5-12-13 right triangle when all measures are expressed as numbers.
- 22. Example 20. Finding the area of a 5-12-13 right triangle when all measures are expressed as variable expressions.
- 23. Example 21. Finding the perimeter of a scalene triangle when all measures are expressed as numbers.
- 24. Example 22. Finding the perimeter of a scalene triangle when all measures are expressed as variable expressions.
- 25. Example 23. Finding the perimeter of an acute triangle when all measures are expressed as numbers.
- 26. Example 24. Finding the perimeter of an acute triangle when all measures are expressed as variable expressions.
- 27. Example 25. Finding the perimeter of an obtuse triangle when all measures are expressed as numbers.
- 28. Example 26. Finding the perimeter of an obtuse triangle when all measures are expressed as variable expressions.
- 29. Example 27. Finding the perimeter of an isosceles triangle when all measures are expressed as numbers.
- 30. Example 28. Finding the perimeter of an isosceles triangle when all measures are expressed as variable expressions.
- 31. Example 29. Finding the perimeter of an equilateral triangle when all measures are expressed as numbers.
- 32. Example 30. Finding the perimeter of an equilateral triangle when all measures are expressed as variable expressions.
- 33. Example 31. Finding the perimeter of a right triangle when all measures are expressed as variables and numbers.
- 34. Example 32. Finding the perimeter of a right triangle when all measures are expressed as variable expressions.
- 35. Example 33. Finding the perimeter of an isosceles right triangle when all measures are expressed as variables and numbers.
- 36. Example 34. Finding the perimeter of an isosceles right triangle when all measures are expressed as variable expressions.
- 37. Example 35. Finding the perimeter of a 30°-60°-90° right triangle when all measures are expressed as variables and numbers.
- 38. Example 36. Finding the perimeter of a 30°-60°-90° right triangle when all measures are expressed as variable expressions.
- 39. Example 37. Finding the perimeter of a 3-4-5 right triangle when all measures are expressed as variables and numbers.
- 40. Example 38. Finding the perimeter of a 3-4-5 right triangle when all measures are expressed as variable expressions.
- 41. Example 39. Finding the perimeter of a 5-12-13 right triangle when all measures are expressed as variables and numbers.
- 42. Example 40. Finding the perimeter of a 5-12-13 right triangle when all measures are expressed as variable expressions.