1988 AIME Problems/Problem 7
Problem
In triangle ,
, and the altitude from
divides
into segments of length 3 and 17. What is the area of triangle
?
Solution
![AIME 1988 Solution 07.png](https://wiki-images.artofproblemsolving.com//d/d6/AIME_1988_Solution_07.png)
Let be the intersection of the altitude with
, and
be the length of the altitude. Without loss of generality, let
and
. Then
and
. Using the tangent sum formula,
The postive value of , so the area is
.
See also
1988 AIME (Problems • Answer Key • Resources) | ||
Preceded by Problem 6 |
Followed by Problem 8 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 | ||
All AIME Problems and Solutions |
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions.