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Mathematics, 03.01.2021 23:40 sin91

8. The figure below shows a right pyramid VABCD with a square base ABCD whose area is 144cm height of the triangular face is 8cm.
V
D
C
A
B
(a) Find the
(i) volume of the pyramid (ii) surface area of the pyramid
(b) Angle between
(1) plane VAD and base. (ii) plane VAC and line VB.

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