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A pole casts a shadow 20 feet long . Anothe pole 3 feet high cast a shadow 5 feet long. If the heights and shadows are in proportion, how high is the first pole?

A pole casts a shadow 20 feet long . Anothe pole 3 feet high cast a shadow 5 feet long. If the heights and shadows are in proportion, how high is the first pole?
asked 163k views
5 votes
A pole casts a shadow 20 feet long . Anothe pole 3 feet high cast a shadow 5 feet long. If the heights and shadows are in proportion, how high is the first pole?

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User Constantin Chirila
by
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2 Answers

2 votes
Would be 33.3 because 5/3 is 1.6666667 and 20*1.6666667 is 33.3!
(psst, there is more 3's after the 33.3)
answered
User Atsumi
by
7.8k points
3 votes
the first pole is 12 feet long
answered
User Steven Siew
by
7.8k points
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