If `O(0, 0), A(3,0), B(3, 4), C(0, 4)` are four given points then the figure `OABC` is a

Let A(-2, 0, 3), B(0, 3, -3), C(3, 3, 5) and D(5, 4, 3) be four given points, find the acute angle between the lines AB and CD.

If O(0, 0), A(3, 4), B(4, 3) are the vertices of a triangle then the length of the altitude from O is

On plotting the points O(0,0),A(3,0),B(3,4),C(0,4) and joining OA,AB,BC and CO which of the following figure is obtained?

P(0, 5, 6), Q(1, 4, 7), R(2, 3, 7) and S(3, 4, 6) are four points in the space. The point nearest to be origin O(0, 0, 0) is

Plot the points A(0,4), B(-3,0),C(0,-4),D(3,0) and name the figure ABCD

Given A=(0,6),B=(4,0),C=(-3,0),D=(0,-2) concylic points, the orthocentre of triangleABC" is"

On plotting the points 0(0,0),A(3,0),B(3,4), C(0,4) and joining 0A, AB BC and C0 . Which of the following figure is obtained?

On plotting the points 0(0,0),A(3,0),B(3,4), C(0,4) and joining 0A, AB BC and C0 . Which of the following figure is obtained?

" Given "A=(0,6),B=(4,0),C=(-3,0),D=(0,-2)" concylic points,the orthocenter of "Delta ABC" is "

The position vectors of the four angular points of a tetrahedron OABC are (0,0,0);(0,0,2),(0,4,0) and (6,0,0) respectively.A point P inside the four plane is at the same distance r from the four plane faces of the tetrahedron.Find the value of r