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# 2.5 Pythagoras Theorem

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### 2.5 Pythagoras Theorem

1. 1. 2.5 Pythagoras Theorem October 23, 2013 Pythagorean Theorem 1
2. 2. 2.5 Pythagoras Theorem October 23, 2013 2
3. 3. 2.5 Pythagoras Theorem October 23, 2013 Introduction 3
4. 4. 2.5 Pythagoras Theorem October 23, 2013 When to use Pythagoras... 4
5. 5. 2.5 Pythagoras Theorem October 23, 2013 Example 1. Find the missing side. 5
6. 6. 2.5 Pythagoras Theorem October 23, 2013 You try! 6
7. 7. 2.5 Pythagoras Theorem October 23, 2013 7
8. 8. 2.5 Pythagoras Theorem October 23, 2013 Example 2. Find the missing side. 8
9. 9. 2.5 Pythagoras Theorem October 23, 2013 Example 3. Find the missing side. a = 15; b = 17; c = ? 9
10. 10. 2.5 Pythagoras Theorem October 23, 2013 Example 4. Do the following lengths make a right angle triangle? 10 cm 12 cm 3 cm 10
11. 11. 2.5 Pythagoras Theorem October 23, 2013 Interesting Fact! Pythagorean Triple A right angle triangle whose sides are all positive integers. Examples: 3, 4, 5 5, 12, 13 8, 15, 17 How many Pythagorean triples are there between 1 and 100?? 11