Difference between revisions of "2004 AMC 10B Problems/Problem 24"
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Revision as of 11:13, 4 July 2013
In triangle
we have
,
,
. Point
is on the circumscribed circle of the triangle so that
bisects angle
. What is the value of
?
Solution
Set $\segment BD$ (Error compiling LaTeX. Unknown error_msg)'s length as
.
's length must also be
since
and
intercept arcs of equal length. Using Ptolemy's Theorem,
. The ratio is
See Also
| 2004 AMC 10B (Problems • Answer Key • Resources) | ||
| Preceded by Problem 23 |
Followed by Problem 25 | |
| 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 10 Problems and Solutions | ||
These problems are copyrighted © by the Mathematical Association of America, as part of the American Mathematics Competitions.