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# Presentation for chapter 9

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### Presentation for chapter 9

1. 1. Pythagorean Theorem and Distance Formula By: Gilberto Suarez
2. 2. Explanation of the Pythagorean theorem - Pythagorean theorem is a combination of algebra and geometry. - what the variables stand for: A = leg B = leg C = hypotenuse - the types of triangles the Pythagorean theorem uses is the right triangles
3. 3. Examples on Pythagorean theorem <ul>A 2 + b 2 =c 2 15 2 + x 2 = 20 2 225 + x 2 = 400 -225 -225 x 2 = 175 x = 13.2 </ul>15 20 X
4. 4. Distance formula <ul>- Distance formula is a formula you use to figure out how long one side of the triangle is. These are the step you need to take to figure it out: </ul>1. Label the points 2. Put them in the distance formula 3. Do the math
5. 5. Examples for the distance formula (x1- x2) 2 + (y1 – y2) 2 <-- this is the formula (-1-3) 2 + (4 – 1) 2 (2) 2 + (3) 2 4 + 9 13 = 3.60 (-1,4) (3,1)