Points of Concurrency
Points of
Acronym Intersection
concurrency
of…
“Meaning”
Diagram
Inside/Outside
Triangle?
(in alphabetical
order)
Centroid
My
Circumcenter
Parents
Medians
connects
midpoint of a
side to the
vertex opposite
it
Perpendicular
bisector
perpendicular to
a side, cuts the
side in half
Center of
gravity
Always inside
Equidistant
from the three
vertices
(points/angles)
Acute: Inside
Equidistant
from the three
sides
Incenter
Are
Angle bisectors
cuts an angle in
half
Orthocenter
Aliens
Altitude
drawn from
vertex,
perpendicular to
side opposite
that vertex
Right: on
Hypothenuse
Obtuse: Outisde
Always inside
Acute: Inside
Right: On vertex of
right angle
Obtuse: Outisde