0 votes 0 votes The smaller angle (in degrees) between the planes $x+y+z=1$ and $2x-y+2z=0$ is ________. Vector Analysis gate2017-ec-2 vector-in-planes numerical-answers vector-analysis + – admin asked Nov 23, 2017 retagged Apr 14, 2020 by soujanyareddy13 admin 46.4k points 161 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.