Mathematics, 24.01.2021 18:00 sarahhfaithhh

Let ABC be any triangle. Designate by A', B' and C' the respective midpoints of [BC] , [CA] and [AB] 1° Show that AA' + BB'+CC' = 7.
2° Deduce that, if G is the centroid of triangle ABC, then G is also the centroid of triangle
A'B'C'.

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Let ABC be any triangle. Designate by A', B' and C' the respective midpoints of [BC] , [CA] and [AB]...