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9. Find d, the distance across the lake. 75 ft 225 ft d 90 ft Please answer last time I tried one of these I failed

9. Find d, the distance across the lake. 75 ft 225 ft d 90 ft Please answer last time I tried one of these I failed
asked 17.2k views
3 votes
9. Find d, the distance across the lake.

75 ft
225 ft
d
90 ft


Please answer last time I tried one of these I failed

9. Find d, the distance across the lake. 75 ft 225 ft d 90 ft Please answer last time-example-1
asked
User Mats Rietdijk
by
7.8k points

1 Answer

3 votes

Answer:

  • 120 ft

Explanation:

Use ratios of corresponding sides since the triangles are similar:

  • d/90 = (225 + 75)/225
  • d /90 = 300/225
  • d/90 = 12/9
  • d = 120
answered
User Thebiggestlebowski
by
7.7k points
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