Home
Class 12
MATHS
[" A tetrahedron has vertices "P(1,2,1),...

[" A tetrahedron has vertices "P(1,2,1),Q(2,1,3),R(-1,1,2)" and "O(0,0,0)" .The angle between the faces OPQ and "],[" PQR is: "],[[" (A) "cos^(-1)(9/35)," (B) "cos^(-1)(7/31)," (C) "cos^(-1)(17/31)," (D) "cos^(-1)(19/35)]]

Promotional Banner

Similar Questions

Explore conceptually related problems

A tetrahedron has vertices P(1,2,1),Q(2,1,3),R(-1,1,2) and O(0,0,0) . The angle beween the faces OPQ and PQR is :

A tetrahedron has vertices P(1,2,1),Q(2,1,3),R(-1,1,2) and O(0,0,0) . The angle beween the faces OPQ and PQR is :

A tetrahedron has vertices O(0,0,0), A(1,2,1), B(2,1,3) and C(-1,1,2) . Then the angle between the faces OAB and ABC is

A tetrahedron has vertices O(0,0,0), A(1,2,1), B(2,1,3) and C(-1,1,2). Then the angle between the faces OAB and ABC is

A tetrahedron has vertices O (0,0,0), A(1,2,1,), B(2,1,3) and C(-1,1,2), the angle between faces OAB and ABC will be

A tetrahedron has vertices at O(0,0,0), A(1,2,1), B(2,1,3) and C(-1,1,2). Then the angle between the faces OAB and ABC will be

A tetrahedron has vertices O(0,0,0),A(1,2,1),B(2,1,3),a n dC(-1,1,2), then angle between face OA B and A B C will be

A tetrahedron has vertices O(0, 0,0), A(1,2,1), C(2,1,3), D (-1, 1,2) . Show that the angle between the faces OAB and ABC is cos^(-1) ((19)/(35)) .