APFIVE Related Rates Shadow Problem
A 5-foot-tall person is walking away from a 15-foot-tall lamppost at a speed of 2 ft/s. Using similar triangles, at what rate does the tip of the person’s shadow move?
A
1 ft/s
B
4 ft/s
C
3 ft/s
D
2 ft/s
Question Leaderboard
| Rank | |||||
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| #4 | raffigaribian | 0 | 1 | 0m 39s | -49 |
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