2009 UNCO Math Contest II Problems/Problem 8: Difference between revisions
m moved 2009 UNC Math Contest II Problems/Problem 8 to 2009 UNCO Math Contest II Problems/Problem 8: disambiguation of University of Northern Colorado with University of North Carolina |
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== See also == | == See also == | ||
{{ | {{UNCO Math Contest box|year=2009|n=II|num-b=7|num-a=9}} | ||
[[Category:Intermediate Geometry Problems]] | [[Category:Intermediate Geometry Problems]] | ||
Revision as of 20:29, 19 October 2014
Problem
Two diagonals are drawn in the trapezoid
forming four triangles. The areas of two of the
triangles are 
and 
as shown. What is the total
area of the trapezoid?
![[asy] draw((0,0)--(20,0)--(2,4)--(14,4)--(0,0),black); draw((0,0)--(2,4)--(14,4)--(20,0),black); MP("25",(9,.25),N);MP("9",(9,2.25),N); [/asy]](http://latex.artofproblemsolving.com/4/0/2/402684b2f1013e5842db62e6b3d685aa5698aec9.png)
Solution
See also
| 2009 UNCO Math Contest II (Problems • Answer Key • Resources) | ||
| Preceded by Problem 7 |
Followed by Problem 9 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 | ||
| All UNCO Math Contest Problems and Solutions | ||
