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Now start a new page in your notebook for Lesson 12.3.

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Presentation on theme: "Now start a new page in your notebook for Lesson 12.3."— Presentation transcript:

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9 Now start a new page in your notebook for Lesson 12.3

10 How can you use the Pythagorean Theorem to find the distance between two points on a coordinate plane?

11 Example: Find the length of the hypotenuse 4. Plug in those numbers into the P-Theorem and solve.

12 YOUR TURN: Find the length of the hypotenuse 4. Plug in those numbers into the P-Theorem and solve.

13 Example: Find the length of the hypotenuse 4. Plug in those numbers into the P-Theorem and solve.

14 NON-Perfect Square Answers (Irrational Numbers) Sometimes the hypotenuse will not be a square root of a perfect square We will estimate and round to ONE decimal place

15 Example: Find the length of the hypotenuse 4. Plug in those numbers into the P-Theorem and solve. approximately

16 Example: Find the length of the hypotenuse 4. Plug in those numbers into the P-Theorem and solve. approximately

17 4. Plug in those numbers into the P-Theorem and solve. approximately YOUR TURN: Find the length of the hypotenuse

18 Word Problem: If it is 4 miles from Point X to Point Z, and it is 5 miles from Point X to Point Y, what is the approximate distance from point Y to Point Z?

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