**Pythagorean Triples**

These

**Pythagorean triples**are used with to find angles and side lengths. Common triples are 3,4,5 and 5,12,13 and 7.24,25, and 8,15,17, and 9,40,41.These Pythagorean triples satisfy

**a^2 + b^2 = c^2**For example, let's use the triple 3-4-5

3 x 3 =

**9**, 4 x 4 =**16**5 x 5 =**25****9 + 16 = 25**

**Why learn these triples?**

If you can recognize these triples it can make working right triangles much easier.

When you recognize two parts of the triple then you do not have to use

**to find the other leg or hypotenuse.***trigonometric ratios*

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