Get premium membership and access revision papers with marking schemes, video lessons and live classes.

Processing. Please wait.

A right pyramid VABCD has a square base ABCD of side 4. The slant edge VA, VB, VC and VD are `2 sqrt 5` m long

(a) Calculate:
(i) The height of the pyramid
(ii) The angle between the plane VAB and the base ABCD
(b) C$and D$ are midpoint of VC and VD respectively. Calculate the angle between the planes ABCD and A’B’C’D’.