MathDB
tsunami in a regular tetrahedron planet, epicenter, propagation speed given

Source: Sharygin 2005 X-XI CR 21

August 20, 2019
geometry3D geometrytetrahedron

Problem Statement

The planet Tetraincognito covered by ocean has the shape of a regular tetrahedron with an edge of 900900 km. What area of the ocean will the tsunami' cover 22 hours after the earthquake with the epicenter in a) the center of the face, b) the middle of the edge, if the tsunami propagation speed is 300300 km / h?