CK-12 Geometry-Concepts

http://www.ck12.org Chapter 8. Right Triangle Trigonometry Write the similarity statement for the three triangles in the diagra ...

8.3. Inscribed Similar Triangles http://www.ck12.org 15. 16. 17. 18. 19. Last year Poorva’s rent increased by 5% and this year ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry 25. 5, ____, 20 26. 4, ____, 100 27. 2, ____,^12 ...

8.4. 45-45-90 Right Triangles http://www.ck12.org 8.4 45-45-90 Right Triangles Here you’ll learn that the sides of a 45-45-90 ri ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry Investigation: Properties of an Isosceles Right Triangle Tools Needed ...

8.4. 45-45-90 Right Triangles http://www.ck12.org Use thex:x:x √ 2 ratio. T V=6 because it is equal toST. So,SV= 6 √ 2. Example ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry We know half of a square is a 45-45-90 triangle, so 10=s √ 2. s √ 2 = ...

8.4. 45-45-90 Right Triangles http://www.ck12.org 3.xis the hypotenuse of a 45-45-90 triangle with leg lengths of 5 √ 3. Answers ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry 11. 12. 13. 14. 15. ...

8.5. 30-60-90 Right Triangles http://www.ck12.org 8.5 30-60-90 Right Triangles Here you’ll learn that the sides of a 30-60-90 ri ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry Investigation: Properties of a 30-60-90 Triangle Tools Needed: Pencil ...

8.5. 30-60-90 Right Triangles http://www.ck12.org 30-60-90 Corollary:If a triangle is a 30-60-90 triangle, then its sides are in ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry Think of this trapezoid as a rectangle, between a 45-45-90 triangle a ...

8.5. 30-60-90 Right Triangles http://www.ck12.org Guided Practice Find the length of the missing sides. Find the value ofxandy. ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry In a 30-60-90 triangle, if the shorter leg isx, then the longer leg ...

8.5. 30-60-90 Right Triangles http://www.ck12.org What is the height of an equilateral triangle with sides of length 3 in? What ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry 8.6 Sine, Cosine, Tangent Here you’ll learn what the three trigonomet ...

8.6. Sine, Cosine, Tangent http://www.ck12.org The three basic trig ratios are called, sine, cosine and tangent. At this point, ...

http://www.ck12.org Chapter 8. Right Triangle Trigonometry 52 + 122 =h^2 13 =h So, sinA=^1213 ,cosA= 135 , and tanA=^125. Exampl ...

8.6. Sine, Cosine, Tangent http://www.ck12.org MEDIA Click image to the left for use the URL below. URL: http://www.ck12.org/flx ...