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Mathematics 20 Online
OpenStudy (anonymous):

Medal and fan! please help :) An angle that is formed by two noncoplanar half-planes and their line of intersection is known as __________. A. a polyhedral angle B.a dihedral angle C.a planar angle D.none of the above

Directrix (directrix):

Read at this link: http://www.mathwords.com/d/dihedral_angle.htm

OpenStudy (anonymous):

Thanks

Directrix (directrix):

You are welcome.

OpenStudy (anonymous):

there you go

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