find the area of the triangle determined by the points P Q and R. find the unit vector perpendicular to the plane PQR.
P(-1,1,2) Q(2,0,1) R(0,2,-1)
find the area of the triangle determined by the points P Q and R. find the unit vector perpendicular to the plane PQR. P
-
- Site Admin
- Posts: 899603
- Joined: Mon Aug 02, 2021 8:13 am