In A Tetrahedron OA C The Edges Are Of Lengths O A C A O A C B O C A C Let G 1 And G 1 And Be The Centroids Of The Triangle A C And AOC Such That O G 1 G 1 Then The Value Of A C B IsRead More On Sarthakscom Httpswwwsarthakscom1689141tetrahedron Oabc The Edges Are Lengths Let G1 And G The Centroids The Triangle Abc And Aoc