question

perpendicular bisector

answer

a line that is perpendicular to a side of a triangle & cuts that triangle in half

question

angle bisector

answer

a line that cuts an angle of a triangle in half

question

median

answer

a segment from a vertex to the midpoint of the opposite side

question

altitude

answer

a perpendicular segment from a vertex to the line containing the opposite side
used to find area

question

circumcenter

answer

point of intersection of the perpendicular bisectors of a triangle
equidistant from each vertex

question

incenter

answer

point of intersection of the angle bisectors of a triangle
equidistant from every side

question

centroid

answer

point of intersection of the medians of a triangle
distance from vertex β 2/3 length of the whole median

question

orthocenter

answer

the point of intersection of the three altitudes of a triangle

question

altitude
orthocenter
median
centroid
(angle)
(bisector)
incenter
(perpendicular)
(bisector)
circumcenter

answer

all
of
my
children
are
bringing
in
peanut
butter
cookies