MathematicsMedium249×since 2002Q2404The length of the projection of the line segment joining the points (5, -1, 4) and (4, -1, 3) on the plane, x + y + z = 7 is :A23\sqrt {{2 \over 3}}32B23{2 \over {\sqrt 3 }}32C23{2 \over 3}32D13{1 \over 3}31Check answerSkip