7 6 Proportional Lengths

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1. 7-6 Proportional Lengths 2. Triangle Proportionality Theorem 3. Proportions we can use a b d c j k 4. <ul><li>A </li></ul><ul><li>B…
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  • 1. 7-6 Proportional Lengths
  • 2. Triangle Proportionality Theorem
  • 3. Proportions we can use a b d c j k
  • 4. <ul><li>A </li></ul><ul><li>B </li></ul><ul><li>C </li></ul><ul><li>D </li></ul>A. 2.29 B. 4.125 C. 12 D. 15.75
  • 5. Corollary <ul><li>If three parallel lines intersect two transversals then they divide the transversals proportionally. </li></ul>
  • 6. <ul><li>A </li></ul><ul><li>B </li></ul><ul><li>C </li></ul><ul><li>D </li></ul>Lesson 4 CYP4 A. 4 B. 5 C. 6 D. 7 In the figure, Davis, Broad, and Main Streets are all parallel. The figure shows the distances in city blocks that the streets are apart. Find x . 0 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
  • 7. Triangle Angle Bisector Theorem <ul><li>If a ray bisects an angle of a triangle, then it divides the opposite side into segments proportional to the other two sides </li></ul>a b y x
  • 8. SPICSA <ul><li>Page 272 2-10 even </li></ul><ul><li>Page 273 22-26 even </li></ul>
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