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# Geometry Glossary - B a|b|c|d|e|g|h|i|k|l|m|o|p|q|r|s|t|v|x|y|

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# base angles of an isosceles triangle:

The angles of an isosceles triangle opposite the legs or congruent sides.

# base of an isosceles triangle:

The side opposite the vertex angle in an isosceles triangle.

# bases of a prism:

Two congruent polygonal faces that lie in parallel planes.

# bisector of a segment:

A line, ray, segment, or plane that intersects a segment at its midpoint.

Note: The terms in this collection may not be entirely accurate.
They are for reference only.