Q4:
ABCDEFGH is a cuboid. Find the distance DB. Find the distance HB. Find the magnitude of angle HBD. Find the magnitude of angle HBA.
Q5:
Find the surface area and the volume of the figure. The figure shows a pyramid with a square base. The base has sides 6 cm long and the edges VA, VB, VC, and VD are each 10 cm long.
a) Find the length of DB.
b) Find the length of BE.
c) Find the length of VE.
d) Find the magnitude of angle VBE.