Problem 127 of 7
Use similar triangles for indirect measurement in context A 6-ft person casts an 8-ft shadow; a tree casts a 40-ft shadow.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
model shadows, mirrors, or scaled diagrams.
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Context must model proportional corresponding sides in similar triangles.
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Your answer is equivalent to the expected form.
Walkthrough
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1. Identify the two similar triangles.
2. Match corresponding heights and distances.
3. Set a proportion and solve.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Adding shadow lengths instead of using ratios.