Difference between revisions of "2023 AMC 12A Problems/Problem 15"
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| − | + | ==Question== | |
| − | + | [uh someone insert diagram] | |
| + | |||
| + | ==Solution 1== | ||
| + | By "unfolding" line APQRS into a straight line, we get a right triangle ABS. | ||
| + | <cmath>cos(\theta)=120/100</cmath> | ||
| + | <cmath>\theta=arccos(\frac{5}{6})</cmath> | ||
Revision as of 23:44, 9 November 2023
Question
[uh someone insert diagram]
Solution 1
By "unfolding" line APQRS into a straight line, we get a right triangle ABS.
![\[cos(\theta)=120/100\]](http://latex.artofproblemsolving.com/8/f/2/8f20a7369fb63b98fa163627a7e8f45008c736ba.png)
![\[\theta=arccos(\frac{5}{6})\]](http://latex.artofproblemsolving.com/9/b/e/9bea6552b6792b373f06104bd92c1de863a3b476.png)
