Geometry: The Illustrated Dictionary
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Angle
Circle
Perpendicular
Parallel
Segment
Collinear
Congruent
Translation
Rotation
Reflection
Angle
An angle is created by two lines the share the same end point. The degree of an angle varies.
The two line segments
T
and
X
share the same endpoint
O
, creating an angle.
Notation: <
TOX
= 45°