Skills · Trigonometry · Right Triangles & Trigonometry
Comparing c² with a² + b²
Printable practice with an answer key the engine computes, at three levels, in as many versions as you need.
Problem types
- not right, the longest side last: A triangle has sides 9, 12 and 16. c² − (a² + b²) =
- not right, the longest side first or in the middle: A triangle has sides 16, 9 and 12. c² − (a² + b²) =
- a right triangle (answers 0): A triangle has sides 9, 12 and 15. c² − (a² + b²) =
Sample Sheet · Level 1
- A triangle has sides 5, 12 and 15. c² − (a² + b²) = =
- A triangle has sides 3, 4 and 5. c² − (a² + b²) = =
- A triangle has sides 19, 20 and 29. c² − (a² + b²) = =
- A triangle has sides 9, 10 and 15. c² − (a² + b²) = =
- A triangle has sides 4, 8 and 10. c² − (a² + b²) = =
- A triangle has sides 20, 21 and 30. c² − (a² + b²) = =
- A triangle has sides 6, 12 and 13. c² − (a² + b²) = =
- A triangle has sides 6, 6 and 10. c² − (a² + b²) = =
Answer key
- 56
- 0
- 80
- 44
- 20
- 59
- −11
- 28
Sample Sheet · Level 3
- A triangle has sides 21, 28 and 34. c² − (a² + b²) = =
- A triangle has sides 30, 50 and 42. c² − (a² + b²) = =
- A triangle has sides 37, 35 and 12. c² − (a² + b²) = =
- A triangle has sides 50, 14 and 49. c² − (a² + b²) = =
- A triangle has sides 37, 48 and 60. c² − (a² + b²) = =
- A triangle has sides 29, 22 and 21. c² − (a² + b²) = =
- A triangle has sides 9, 12 and 14. c² − (a² + b²) = =
- A triangle has sides 30, 34 and 17. c² − (a² + b²) = =
Answer key
- −69
- −164
- 0
- −97
- −73
- −84
- −29
- −33
Make your own
Pick the count, the level and the version, and print it with work space and the key on its own page. The same skill also makes an I Do, We Do, You Do lesson, a Mosaic, a Decoder and more.