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2023 AMC 12A Problems/Problem 15

Revision as of 23:44, 9 November 2023 by Lptoggled (talk | contribs)

Question

[uh someone insert diagram]

Solution 1

By "unfolding" line APQRS into a straight line, we get a right triangle ABS. \[cos(\theta)=120/100\] \[\theta=arccos(\frac{5}{6})\]

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