1 / 51

Chapter 7

Chapter 7. SIMPLIFY: 20 12 3. 20 = 4 5 = 2 5 12 3 12 3 3 3 3. =. =. 4 3. MULTIPLY: ( 2 5 ) 2. (2 5 ) 2 = 4 25 = 4 5 = 20.

coral
Download Presentation

Chapter 7

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chapter 7

  2. SIMPLIFY: 20 12 3

  3. 20 = 4 5 = 2 512312 3 3 3 3 = = 4 3

  4. MULTIPLY:( 2 5 )2

  5. (2 5 )2 = 4 25 = 4 5 = 20 .

  6. COMPLETE:( ___ )2 + ( ___ )2 = ( ___ )2 hyp leg1 leg2

  7. (leg1)2 + (leg2)2 = (hyp)2 • Pythagorean Theorem

  8. Complete to form RIGHT triangles: 3, 4, ____ 5, 12, ____ 6, 8, ____ 8, 15, ____

  9. 3, 4, 5 5, 12, 13 6, 8, 10 8, 15, 17

  10. Given segment lengths a, b, c longest Right c2 a2 + b2 Obtuse c2 a2 + b2 Acute c2 a2 + b2

  11. Right c2= a2 + b2 Obtuse c2> a2 + b2 Acute c2< a2 + b2

  12. COMPLETE: • L = ____ • H = ____ 45 45

  13. L = LH =L 2

  14. SOLVE: 45 • x = _____ • y = _____ y 8 45 x

  15. x = 8y = 8 2

  16. COMPLETE: • LL = _____ • H = _____ 60 Ls 30

  17. LL = Ls 3H = 2 Ls

  18. SOLVE: y x = _____ y = _____ 60 4 30 x

  19. x = 4 3y = 8

  20. AREA OF EQUILATERAL TRIANGLES: A = ½ ( ____ )( ____ ) A = ½ ( ____)( ____ ) A = ( ____ )2 ( ____ )

  21. A = ½ bh A = ½ ap A = s2 4

  22. Find the area: 6 (Equilateral Triangle)

  23. 18 6 3 30 9 A = s2 4 A = (18)2 4 A = 81 A = ½ bh A = ½ (18)(9 ) A = 81 A = ½ ap A = ½ (3 )(54) A = 81

  24. AREA OF SQUARES: • A = ( ____ )2 • A = ½ ( ____ )( ____ ) • A = ½ ( ____ )( ____ )

  25. A = s2 A = ½ ap A = ½ d1d2 a side (s)

  26. Find the area: 10 (Square)

  27. 20 10 10 45 10 A = s2 A = 202 A = 400 A = ½ ap A = ½ (10)(80) A = 400 A = ½ d1d2 A = ½ (20 )(20 ) A = 400

  28. AREA OF REGULAR HEXAGONS:A = ½ ( ____ )( ____ )

  29. A = ½ ap 120 a 60

  30. Find the area: 8 (Regular Hexagon)

  31. 8 4 3 60 4 4 A = ½ ap A = ½ (4 3)(48) A = 96 3

  32. AREA OF PARALLELOGRAMS: • A = ( ____ )( ____ )

  33. A = bh Height (h) Base (b)

  34. AREA OF ANY TRIANGLE:A = ½ ( ____ )( ____ )

  35. A = ½bh height (h) base (b)

  36. Find the height: 6 6 4

  37. 6 6 h 2 2 4 h2 +22 =62h2 = 32h = 32 = 4 2

  38. AREA OF RIGHT TRIANGLES:A = ½ ( ____ )( ____ )

  39. A = ½ (l1)(l2) leg (l1) leg (l2)

  40. AREA OF RHOMBUSES: • A = ½ ( ____ ) ( ____ )

  41. A = ½ (d1)(d2)

  42. AREA OF TRAPEZOIDS: A = ½ ( ____ ) ( ____ + ____ )

  43. A = ½(h)(b1+ b2) base (b1) height (h) base(b2)

  44. FOR CIRCLES: Circumference = ( __ )( __ )( __ )

  45. C = 2rπ

  46. What fraction of the circumference is arc AB? r B 120o A

  47. 120= 1 360 3

  48. AREA OF CIRCLES: A = ( ____ )( ____ )2

  49. A = πr2

  50. What fraction of the circle is shaded? 450 r

More Related