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Geometry

Geometry. Lesson 5.4. Take out your notes. We are going to do Section 5.4. What is a median?. Connects a midpoint to the opposite vertex. What is a midsegment?. Connects two midpoints. Find the midpoint of side AB. (-3, 0) (1, 2) (-1, -1) (-1, 1) (-2, 1) (-2, -1).

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Geometry

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  1. Geometry Lesson 5.4

  2. Take out your notes • We are going to do Section 5.4

  3. What is a median? • Connects a midpoint to the opposite vertex

  4. What is a midsegment? • Connects two midpoints

  5. Find the midpoint of side AB • (-3, 0) • (1, 2) • (-1, -1) • (-1, 1) • (-2, 1) • (-2, -1)

  6. Find the midpoint of side AC • (1, 2) • (3, -2) • (2, 2) • (0, 2) • (2, 0) • None of the above

  7. Find the midpoint of side BC • (-3, 0) • (3, -2) • (2, -1) • (1, 0) • (0, 1) • None of the above

  8. What name would you give to seg EF? • Median • Midsegment • Perp. Bisector • Angle Bisector • Altitude

  9. What is the length of seg AB? • 1 • 2 • 3 • 4 • 5 • 6 • None of the above

  10. What is the length of seg EF? • 1 • 1.5 • 2 • 2.5 • 3 • 3.5 • None of the above

  11. What is the length of AC? • 5 • 8 • 2.8 • 10 • None of the above

  12. What is the length of midsegment DF? • 5 • 8 • 2.8 • 10 • None of the above

  13. What is the slope of AC? • 4/3 • 3/4 • -3/4 • 4/3 • None of the above

  14. What is the slope of DF? • 4/3 • 3/4 • -3/4 • 4/3 • None of the above

  15. When slopes of two lines are equal, then the two lines are _______. • Skew • Intersecting • Perpendicular • Parallel

  16. Theorem 5.9 – Midsegment Theorem • A midsegment is half the length of and parallel to the opposite side.

  17. Given that midsegment DE = 3.5, determine BC • 7 • 3.5 • 6.5 • 1.75

  18. Given that BC = 12, determine DE • 24 • 12 • 6 • 3

  19. Given that the slope of line AB is 2/3, determine the slope of line EF • 3/2 • 2/3 • -3/2 • -2/3

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