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Geometry Vocab

Test 1-12-15

Joins the midpoints of the legs (1/2 the bases) Median of a trapezoid
From one vertex to the midpoint of the opposite side. Median of a triangle
One vertex perpendicular to the opposite side (extend all sides) Altitude
Midpoint going perpendicular to the other side Perpendicular bisector
Bisects an angle in half Angle bisectors
Center of mass, where the medians intersect Centroid
Concurrency of altitudes orthocenter
Point of concurrency of the 3 perpendicular bisectors circumcenter
point of concurrency of the 3 angle bisectors incenter
point of intersection concurrent
Alternate Interior angles equal
alternate exterior angles equal
consecutive int angles supplements = 180 degrees
consecutive ext angles supplements = 180 degrees
corresponding angles equal
vertical angles equal
Created by: bgpalmers