Introduction to 3DHard
Question
Let ABCD be a tetrahedron such that the edges AB, AC and AD are mutually perpendicular. Let the area of triangle ABC, ACD and ADB be 3, 4 and 5 sq. units respectively. Then the area of the triangle BCD, is -
Options
A.5√2
B.5
C.
D.5/2
More Introduction to 3D Questions
Equations of the line through (1, 2, 3) and parallel to the plane 2x + 3y + z + 5 = 0 are...The co-ordinates of the point where the line joining the points (2, −3, 1), (3, −4, −5) cuts the plane...If the angle between the lines whose direction ratios are 2, −1, 2 and a, 3, 5 be 45o, then a =...An equation of a plane parallel to the plane x-2y + 2z - 5 = 0 and at a unit distance fromthe origin is :...If the angle between the line AB and CD is θ then projection of line segment AB on CD are -...