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How can we warn people before a tsunami occurs, so that they escape before the waves reach the shore?
Being Solved by Mathematicians
A tsunami occurs when an underwater earthquake sweeps huge waves of water onto shore. A major tsunami hit Japan in March 2011, killing thousands of people.
When we have advanced warning of a tsunami, people may be able to evacuate the area in time, and lives are saved.
A large rectangular area within international waters must be monitored for tsunamis. Can you arrange 12 tsunami detectors so that the entire area is monitored?
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