Posted by Debbi on Saturday, December 4, 2010 at 8:40pm.
Which statement is true about a triangular prism?
a. It has exactly 1 pair of parallel faces
b. It has not parallel edges
c.It has atleast 2 pairs of parallel faces
d.It has no parallel faces

MATH  Ms. Sue, Saturday, December 4, 2010 at 8:42pm
http://www.mathsisfun.com/geometry/prisms.html
What do you think?

MATH  Debbi, Saturday, December 4, 2010 at 8:50pm
C.

MATH  Ms. Sue, Saturday, December 4, 2010 at 8:54pm
Please study that site again.

MATH  Debbi, Saturday, December 4, 2010 at 8:55pm
i don't understand

MATH  Ms. Sue, Saturday, December 4, 2010 at 8:57pm
What part of this problem or website don't you understand?

MATH  Debbi, Saturday, December 4, 2010 at 8:58pm
i thought it was c because the others don't make sense to me

MATH  Ms. Sue, Saturday, December 4, 2010 at 9:05pm
What difference do you see between a and c?

MATH  Debbi, Saturday, December 4, 2010 at 9:06pm
a has 1 pair and c has two

MATH  Ms. Sue, Saturday, December 4, 2010 at 9:09pm
Right. Now count the parallel faces in the diagram in the website. How many PAIRS do you see?

MATH  Debbi, Saturday, December 4, 2010 at 9:11pm
1?

MATH  Ms. Sue, Saturday, December 4, 2010 at 9:13pm
Right. Each end face is parallel to the other end face.
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