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1989 AIME Problems/Problem 12: Difference between revisions

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== See also ==
== See also ==
* [[1989 AIME Problems/Problem 13|Next Problem]]
{{AIME box|year=1989|num-b=11|num-a=13}}
* [[1989 AIME Problems/Problem 11|Previous Problem]]
* [[1989 AIME Problems]]

Revision as of 07:42, 15 October 2007

Problem

Let $ABCD^{}_{}$ be a tetrahedron with $AB=41^{}_{}$, $AC=7^{}_{}$, $AD=18^{}_{}$, $BC=36^{}_{}$, $BD=27^{}_{}$, and $CD=13^{}_{}$, as shown in the figure. Let $d^{}_{}$ be the distance between the midpoints of edges $AB^{}_{}$ and $CD^{}_{}$. Find $d^{2}_{}$.

Solution

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See also

1989 AIME (Problems • Answer Key • Resources)
Preceded by
Problem 11 		Followed by
Problem 13
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15
All AIME Problems and Solutions
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