Volume and slant-edge angle of a square pyramid

Volume and slant-edge angle of a square pyramid

Secondary 2
4 marks
TGM Original Questions

Optional extension

A right square pyramid has base side 6 cm and perpendicular height \(VN=9\) cm, where \(N\) is the base centre and \(A\) a base vertex. Find

  1. the volume,[2]
  2. \(\angle VAN\) to 1 decimal place.[2]

Solution:

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Answer:(a) \(108\text{ cm}^3\) (b) \(64.8^\circ\).

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