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Lesson 9.6: Similar Figures and Indirect Measurement

Lesson 9.6: Similar Figures and Indirect Measurement. Pre Algebra. Definitions. Similar Figures: Figures that have the same shape, but not necessarily the same size. Properties of Similar Figures. If two figures are similar, then: The corresponding angles have the same measure.

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Lesson 9.6: Similar Figures and Indirect Measurement

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  1. Lesson 9.6: Similar Figures and Indirect Measurement Pre Algebra

  2. Definitions • Similar Figures: Figures that have the same shape, but not necessarily the same size.

  3. Properties of Similar Figures • If two figures are similar, then: • The corresponding angles have the same measure. • The corresponding sides are proportional.

  4. Example Find the missing side of the shape

  5. Check Your Progress Find the missing side of the shape

  6. Definition • Indirect Measurement: The properties of similar triangles can be used to find measurements that are difficult to measure directly.

  7. 2.5 MI. 4 MI. 7 MI.

  8. Example

  9. Example

  10. Check Your Progress

  11. Classwork • Pg. 500 #1-4 (all)

  12. Homework • Pg. 500 • #5-19 (odd); #24 • REVIEW Pg. 507 • #1-15 (Odd) • #16

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