Rotation Symmetry Practice - Tetrahedron
Question 2
Draw out all the axes of rotational symmetry for a tetrahedron. What is the total number of axes?
Answer
Select and check your answer...
A. 5
B. 7
C. 9
D. 11
Check Answer
Step by Step Solution
Step 1
This is the 1
st
axis...
Order 3
Step 2
...the 2
nd
axis...
Order 3
Step 3
...the 3
rd
axis...
Order 3
Step 4
...the 4
th
axis...
Order 3
Step 5
...the 5
th
axis...
Order 2
Step 6
...the 6
th
axis...
Order 2
Step 7
...the 7
th
axis...
Order 2
Step 8
In total, there are 7 axis of rotational symmetry for a tetrahedron.
Clearly, the answer is B.
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