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Back to Edexcel Maths Higher November 2018 Paper 3 Home
​Q12: Question – Paper 3 – November 2018
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Content:
  • Pyramids
  • Trigonometry – Finding an Angle
  • 3D Trigonometry 
  • 3D Pythagoras​​
Quizzes:
  • Pyramids
  • Trigonometry – Finding an Angle
  • 3D Trigonometry
  • 3D Pythagoras

Question
12) ​Here is a pyramid with a square base ABCD.
Picture
AB = 5 m

The vertex T is 12 m vertically above the midpoint of AC.

Calculate the size of angle TAC.
[4 marks]
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