14A ­ Angle Addition (monday).notebook
September 25, 2012
Angle Addition
Sep 16­4:37 PM
Angle Addition is just like Segment
Addition!!!
x
84
136
136o
84o
xo
Sep 16­4:37 PM
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14A ­ Angle Addition (monday).notebook
September 25, 2012
1. Solve for x.
xo
53o
17o
Sep 16­4:37 PM
2. Solve for x.
132o
R
B
(10x-12)o
(2x)o
I
D
3. What is the m BIR?
4. What is the m
RID?
Sep 16­4:37 PM
2
14A ­ Angle Addition (monday).notebook
September 25, 2012
5. Solve for x.
P
M
(12x-9)o
(x+4)o
(7x-3)o
J
U
6. What is the m JUM?
7. What is the m
JUP?
Sep 16­4:37 PM
8. Y lies in the interior of BUG.
BUY = (3x)o
YUG = (2x + 8)o
BUG = 33o
What is the measure of
YUG?
Sep 16­4:37 PM
3
14A ­ Angle Addition (monday).notebook
September 25, 2012
Remind me AGAIN
what BISECT means.
Sep 16­4:37 PM
Just as you can bisect (or cut in half) a
segment, you can also bisect an angle.
The ray that bisects the angle is called the
ANGLE BISECTOR.
It is just like a midpoint!!!
Congruent Angle Marks
OR
LE
G
N
A
CT
ISE
B
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14A ­ Angle Addition (monday).notebook
September 25, 2012
9. NP bisects
MNQ.
m MNP = (6x - 12)o
m PNQ = (4x + 8)o
Find m MNP.
Find m
MNQ.
Sep 16­4:37 PM
Exit Ticket:
Pg. 24 #7, 9, 15, 17
Sep 16­4:37 PM
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14A ­ Angle Addition (monday).notebook
September 25, 2012
Sep 16­4:44 PM
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