3 triangle segments - midsegment median angle

3 triangle segments ­ midsegment median angle bisector.notebook
February 02, 2015
Warm up 02­02
do #1­5 on the proportions worksheet
3 triangle segments ­ midsegment median angle bisector.notebook
February 02, 2015
3 triangle segments ­ midsegment median angle bisector.notebook
Special Segments in Triangles
February 02, 2015
3 triangle segments ­ midsegment median angle bisector.notebook
MIDSEGMENT
drawing all 3 midsegments gives 4 congruent triangles
February 02, 2015
3 triangle segments ­ midsegment median angle bisector.notebook
February 02, 2015
3 triangle segments ­ midsegment median angle bisector.notebook
February 02, 2015
DB=12, AE=28
o
m<C=56 ,m<E=82
D, B, and F are midpoints
o
A
Find:
B
D
m<EFB
E
F
C
m<A
AD
EF
BF
EC
m<DBF
3 triangle segments ­ midsegment median angle bisector.notebook
MEDIANS
February 02, 2015
Draw a segment from the midpoint to the vertex opposite the side of the triangle
3 triangle segments ­ midsegment median angle bisector.notebook
February 02, 2015
3 triangle segments ­ midsegment median angle bisector.notebook
February 02, 2015
concurrency: the point where the segments intersect
The medians intersect at the CENTROID
The CENTROID is ALWAYS inside the triangle
3 triangle segments ­ midsegment median angle bisector.notebook
February 02, 2015
3 triangle segments ­ midsegment median angle bisector.notebook
February 02, 2015
3 triangle segments ­ midsegment median angle bisector.notebook
February 02, 2015
3 triangle segments ­ midsegment median angle bisector.notebook
February 02, 2015
3 triangle segments ­ midsegment median angle bisector.notebook
February 02, 2015
3 triangle segments ­ midsegment median angle bisector.notebook
x
February 02, 2015
6
4
x
3 triangle segments ­ midsegment median angle bisector.notebook
If AB=18, find AC
A
C
February 02, 2015
If AB=15, find BC
A
C
B
B
3 triangle segments ­ midsegment median angle bisector.notebook
HW 02­02
midsegments worksheet
and medians worksheet
February 02, 2015
3 triangle segments ­ midsegment median angle bisector.notebook
February 02, 2015