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Form 4 Mathematics: Three dimensional geometry questions and answers

The figure below shows a right pyramid mounted onto a cuboid. AB=BC= 15 $sqrt2$ CG= and VG = 17 $sqrt2$

Calculate:
a) The length of AC
b) The angle between the line AG and the plane ABCD
c) The vertical height of point V from the plane ABCD
d) The angle between the planes EFV and ABCD

(9m 45s)

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