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Q.

How many faces does a tetrahedron have?


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a

3

b

4

c

6

d

8 

answer is B.

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Detailed Solution

It is given a tetrahedron.
A polyhedron is a solid object that is enclosed by polygonal areas.
A polyhedron with four triangular faces, six edges that are straight, and four vertex corners is called a tetrahedron.
Therefore, the correct option is 2.
 
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