Problem 106 of 7
Solve the indirect measurement problem using triangle similarity: A map has a scale of 1:1000. A road is 5 cm long on the map.
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model and solve proportions.
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Context must form similar triangles with matched corresponding sides.
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Solution
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1. Identify the similar triangles.
2. Match corresponding sides.
3. Set and solve a proportion.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Adding dimensions instead of setting ratios.