GEO: 5-3 QC (orthocenter & centroid)
1.  A line that goes from the vertex of an
     angle to the midpoint of the opposite
     side of a triangle is called?
circumcenter
incenter
median
centroid
2. D is the intersection
point of two medians
which is the correct
relationship of two
segments?
CD = DE
CD = ⅔CE
CD = ⅓CE
DE = ½CE
A
E
D
C
G
B
3. D is the intersection
    point of two medians.

If AG = 12, find AD and DG.
AD =
DG =
A
E
D
C
G
B
DB =
DE =
4. D is the intersection
    point of two medians.

Find the following
lengths in the triangle.
AC =
CE =
A
F
2
7.1
E
D
6
C
G
B
5. Given:  B is the
    centroid of ∆JHK.

Which of the following
is true?
CB = ½ KB
HB = ⅔ HD
BE = ⅓ JE
All of the above
6. D is the intersection
    point of three medians.

Find the following
lengths in the triangle.
DB =
DE =
GC =
CE =
A
F
5
E
D
8
C
G
18
B
7.  A segment that goes from the vertex of an
angle to the opposite side and creates aperpendicular relationship with the side opposite the vertex is called a(n) ...  ?
orthocenter
centroid
median
altitude
circumcenter
incenter
centroid
orthocenter
9.  Point A would be called a(n) ...
A
9.  Another name for the altitude of a triangle is ...
none of the above
perpendicular bisector
height
median
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