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Indirect Measurement

Learn indirect measurement using similar polygons and proportions with practical examples to find distances like across Otter Lake and tree heights. Practice makes perfect!

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Indirect Measurement

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  1. Indirect Measurement Lesson 4-7

  2. Indirect measurement – using the properties of similar polygons and proportions. 26 13 x 5 12 24

  3. Example 1 Find the distance across Otter Lake.

  4. Example 1 Find the distance across Otter Lake. 12.5

  5. Example 2

  6. Example 2 2.16

  7. Example 3

  8. Example 3 45 miles

  9. Example 4

  10. Example 4 1250 ft.

  11. Example 5 At noon, at tree casts a shadow of 102 ft. If , at the same time, a 60 in. tall 8th grader casts at shadow of 6ft, how tall is the tree in feet? x 60 in. 102 ft. 6 ft.

  12. Example 5 At noon, at tree casts a shadow of 102 ft. If , at the same time, a 60 in. tall 8th grader casts at shadow of 6ft, how tall is the tree in feet? x 60 in. 102 ft. 6 ft. 85 ft.

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