Pythagorean Triangles
One of the most popular triangles used in Math, Trig, and Physics problems is the 3-4-5 right triangle. To provide more variety in our problem development here are 17 alternative Pythagorean Triangles where the sides are all integers.
Labeled Pythagorean Triangle
Sample triangle with labels matching Pythagorean Triangle Table.
The sides of the triangle are labeled, a and b with the hypotenuse c. The opposite angles are labeled, α, β, and ɣ.
Table of Pythagorean Triangles
Side Length | Vertex Angles (deg) | |||||
---|---|---|---|---|---|---|
a | b | c | Area | alpha | beta | gamma |
3 | 4 | 5 | 6 | 36.67 | 53.33 | 90 |
5 | 12 | 13 | 30 | 21.77 | 68.23 | 90 |
7 | 24 | 25 | 84 | 16.04 | 73.96 | 90 |
9 | 40 | 41 | 180 | 12.03 | 77.97 | 90 |
11 | 60 | 61 | 330 | 9.74 | 80.26 | 90 |
13 | 84 | 85 | 546 | 8.02 | 81.98 | 90 |
33 | 56 | 65 | 924 | 29.79 | 60.21 | 90 |
39 | 80 | 89 | 1560 | 25.21 | 64.79 | 90 |
65 | 72 | 97 | 2340 | 41.83 | 48.17 | 90 |
8 | 15 | 17 | 60 | 27.5 | 62.5 | 90 |
12 | 35 | 37 | 210 | 18.33 | 71.67 | 90 |
16 | 63 | 65 | 504 | 13.75 | 76.25 | 90 |
20 | 99 | 101 | 990 | 10.89 | 79.11 | 90 |
20 | 21 | 29 | 210 | 42.97 | 47.03 | 90 |
28 | 45 | 53 | 630 | 31.51 | 58.49 | 90 |
36 | 77 | 85 | 1386 | 24.64 | 65.36 | 90 |
48 | 55 | 73 | 1320 | 40.68 | 49.32 | 90 |
60 | 91 | 109 | 2730 | 32.66 | 57.34 | 90 |
References
Butler, Douglas. 2004. “Pythagorean Triples.” TSM Resources. http://bit.ly/2m0C43t.
Weisstein, Eric W. 2010. “Pythagorean Triple.” Education. Wolfram MathWorld. August 3. http://bit.ly/2mPRRkL.