CK-12 Geometry - Second Edition

http://www.ck12.org Chapter 7. Similarity 11. 12. 13. 14. Texas Instruments Resources In the CK-12 Texas Instruments Geometry Fl ...

http://www.ck12.org CHAPTER 8 Right Triangle Trigonometry Chapter Outline 8.1 The Pythagorean Theorem 8.2 CONVERSE OF THEPYTHAGO ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry 8.1 The Pythagorean Theorem Learning Objectives Prove and use the Py ...

8.1. The Pythagorean Theorem http://www.ck12.org Pythagorean Theorem: Given a right triangle with legs of lengthsaandband a hypo ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry For two animated proofs, go to http://www.mathsisfun.com/pythagoras.h ...

8.1. The Pythagorean Theorem http://www.ck12.org When you take the square root of an equation, usually the answer is +17 or -17. ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry The most frequently used Pythagorean triple is 3, 4, 5, as in Investi ...

8.1. The Pythagorean Theorem http://www.ck12.org 72 +h^2 = 92 49 +h^2 = 81 h^2 = 32 h= √ 32 = 4 √ 2 Now, usehandbin the formula ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry Distance Formula:The distanceA(x 1 ,y 1 )andB(x 2 ,y 2 )isd= √ (x 1 − ...

8.1. The Pythagorean Theorem http://www.ck12.org Therefore, the dimensions of the TV are 16( 2. 83 ′′)by 9( 2. 833 ′′), or 45. 3 ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry Determine if the following sets of numbers are Pythagorean Triples. ...

8.1. The Pythagorean Theorem http://www.ck12.org The first proof below is similar to the one done earlier in this lesson. Use th ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry 2. a. √ 50 = √ 25 · 2 = 5 √ 2 b. √ 27 = √ 9 · 3 = 3 √ 3 c. √ 272 = √ ...

8.2. Converse of the Pythagorean Theorem http://www.ck12.org 8.2 Converse of the Pythagorean Theorem Learning Objectives Unders ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry Example 1:Determine if the triangles below are right triangles. a) b) ...

8.2. Converse of the Pythagorean Theorem http://www.ck12.org Proof of Theorem 8-3 Given: In 4 ABC,a^2 +b^2 >c^2 , wherecis th ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry Solution:Set the shorter sides in each triangle equal toaandband the ...

8.2. Converse of the Pythagorean Theorem http://www.ck12.org 4 ABCis an obtuse triangle. Know What? RevisitedTo make the walls p ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry The figure to the right is a rectangular prism. All sides (or faces) ...

8.2. Converse of the Pythagorean Theorem http://www.ck12.org GivenAB, withA( 3 , 3 )andB( 2 ,− 3 )determine whether the given po ...