A right pyramid VABCD below has a square base ABCD of side 4m. The slant edges VA, VB, VC and VD are 6m long.

A right pyramid VABCD below has a square base ABCD of side 4m. The slant edges VA, VB, VC and VD are 6m long.

Calculate
(i) the height of the pyramid.
(ii) the angle between the plane VAB and the base ABCD.
(iii) C¹ and D¹ are mid points of VC and VD respectively. Calculate the angle between the planes ABCD and ABC¹D¹.

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sharon kalunda answered the question on May 2, 2019 at 10:02

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