Q. 35.0( 6 Votes )
How many faces are there in a
A. cube
B. pentagonal prism
C. tetrahedron
D. pentagonal pyramid?
Answer :
A. 6
A Cube has six faces.
ABCD, EFGH, ADHE, BCGF, ABFE and DCGH are the 6 faces
B. 7
A pentagonal prism has seven faces.
ABGF, AEJF, EDIJ, CDIH, BCGH, ABCDE and FGHIJ are the faces.
C. 4
A Tetrahedron has four faces
OAB, OAC, OBC and ABC are the faces.
D. 6
A pentagonal pyramid has six faces.
OAB, OBC, OCD, OAE, ODE and ABCDE are the faces.
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