3. The following diagram shows a pyramid with vertex V and
rectangular base OABC. Point B has coordinates (6,8, 0), point C
has coordinates (6,0,0) and point V has coordinates (3,4,9).
a) Find BV.
b) Find the size of BVC.
V(3.4.9)
C(6.0.0)
A
x
B(6.8.0)
4
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