MathCastle
Multivariable CalculusSuperchallengeLines & Planes in Space

Lines & Planes in Space · Superchallenge problem

The points that are equidistant from all three coordinate axes form four lines through the origin. The plane x+2y+3z=6x + 2y + 3z = 6 meets exactly three of these lines. Find the area of the triangle whose vertices are those three meeting points.