The Tetrahedron (Leaving Cert DCG): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
How many faces does a regular tetrahedron have?
How many faces does a regular tetrahedron have?
4 faces
How many edges does a tetrahedron have?
How many edges does a tetrahedron have?
6 edges
How many vertices does a tetrahedron have?
How many vertices does a tetrahedron have?
4 vertices
What type of triangles form all faces of a regular tetrahedron?
What type of triangles form all faces of a regular tetrahedron?
Equilateral triangles
What is the plan view of a tetrahedron when viewed from above?
What is the plan view of a tetrahedron when viewed from above?
An equilateral triangle
What unique duality property does a tetrahedron have?
What unique duality property does a tetrahedron have?
It is self-dual
What does the inscribed sphere of a tetrahedron touch?
What does the inscribed sphere of a tetrahedron touch?
All four faces
What does the circumscribed sphere of a tetrahedron pass through?
What does the circumscribed sphere of a tetrahedron pass through?
All four vertices
What is special about the centres of the inscribed and circumscribed spheres?
What is special about the centres of the inscribed and circumscribed spheres?
They are the same point
What projection method is used to draw a tetrahedron in technical drawing?
What projection method is used to draw a tetrahedron in technical drawing?
Orthographic projection