2023 AMC 12A Problems/Problem 15

Question

[uh someone insert diagram]

By "unfolding" line APQRS into a straight line, we get a right triangle ABS.

$cos(\theta)=\frac{120}{100}$

$\theta=\boxed{\textbf{(A) } cos^-1(\frac{5}{6})}$

2023 AMC 12A (Problems • Answer Key • Resources)
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