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If two planes intersect in a single line forming dihedral angles
If two planes intersect in a single line forming dihedral angles, how would you define vertical dihedral angles?
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Vertical angles, created by intersecting lines, are pairs of angles whose sides are two pairs of opposite rays. Thus, vertical dihedral angles are pairs of angles that are created by two intersecting distinct planes and are the pair of dihedral angles whose sides are two pairs of opposite half-planes.