Square pyramid from volume and face height

Square pyramid from volume and face height

Secondary 2
TGM Original Questions

A square pyramid has perpendicular height 12 cm and volume \(400\text{ cm}^3\).

  1. Find a base side.
  2. Find the base diagonal.
  3. Given each triangular face has perpendicular height 13 cm, find the total surface area.

Solution:

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Answer:(a) \(10\) cm; (b) \(10\sqrt2\) cm; (c) \(360\text{ cm}^2\).

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