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 Form 4 Mathematics: Three dimensional geometry questions and answers

The diagram below shows a right pyramid VABCD with V as the vertex. The base of the pyramid is rectangle ABCD, with AB = 4 cm and BC= 3 cm. The
height of the pyramid is 6cm.
figgeometry20720201429.JPG
(a) Calculate the
(i) Length of the projection of VA on the base
(ii) Angle between the face VAB and the base
(b) P is the mid- point of VC and Q is the mid – point of VD.Find the angle between the planes VAB and the plane ABPQ

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