Difference between revisions of "2023 AMC 12A Problems/Problem 15"
(→Solution 1) |
(→Solution 1) |
||
| Line 4: | Line 4: | ||
==Solution 1== | ==Solution 1== | ||
| + | |||
By "unfolding" line APQRS into a straight line, we get a right triangle ABS. | By "unfolding" line APQRS into a straight line, we get a right triangle ABS. | ||
| − | < | + | |
| − | < | + | <math>cos(\theta)=\frac{120}{100}</math> |
| + | |||
| + | <math>\theta=\boxed{\textbf{(A) } cos^-1(\frac{5}{6})}</math> | ||
| + | |||
| + | ==See also== | ||
| + | |||
| + | {{AMC12 box|year=2023|ab=A|num-b=14|num-a=16}} | ||
| + | |||
| + | {{MAA Notice}} | ||
Revision as of 22:46, 9 November 2023
Question
[uh someone insert diagram]
Solution 1
By "unfolding" line APQRS into a straight line, we get a right triangle ABS.
See also
| 2023 AMC 12A (Problems • Answer Key • Resources) | |
| Preceded by Problem 14 |
Followed by Problem 16 |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | |
| All AMC 12 Problems and Solutions | |
These problems are copyrighted © by the Mathematical Association of America, as part of the American Mathematics Competitions.