Warm Up 1.   Ray MO bisects <LMN. Find x. Day_10_­_Test_Review_1­1_to_1­9 answers.notebook

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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
September 04, 2009
Warm Up
1. Ray MO bisects <LMN. Find x.
8x ­ 23 2x + 37
Sep 9­9:59 AM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
September 04, 2009
Take out a piece of paper.
Number the paper #1 ­ 16.
Leave space in between!
#1 ­ 8 on the front
#9­16 on the back
Aug 27­9:25 AM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
September 04, 2009
1. Find the next two terms in each sequence and describe the pattern.
a. 1, 2, 4, 7, 11, 16, 22, ...
29, 37,...1 + 2 + 3 + 4 + ...
b. 384, 192, 96, 48, ...
24, 12,... divide by 2
c. 1, 1, 2, 3, 5, 8, ...
13, 21, ...add two previous terms to get third
Aug 28­8:07 AM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
September 04, 2009
2. Use the figure at the right to decide if the following statements are true or false.
F
a.
T
b.
T
c.
F
d.
F e.
Aug 28­8:12 AM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
September 04, 2009
3. Match each three dimensional figure with its net.
C
D
B
A
1.
2.
3.
4.
Aug 28­9:57 AM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
September 04, 2009
4.
a. Name the intersection of line GL and line ML.
L
b. Name another point that is coplanar with JNH.
M
c. Use the figure to name a pair of parallel planes.
GLPK and HMNJ
Aug 28­9:59 AM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
September 04, 2009
5.
a. Name a segment that is parallel to segment KJ.
GH
b. What is the intersection of plane GHK and plane HJM?
line HJ
c. Name a line that is skew with line JN. LP
Aug 28­10:03 AM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
September 04, 2009
6.
a. Name segment FG in another way.
GF
b. Name a pair of opposite rays. ED and EF
c. How many different segments are shown above?
7
Aug 28­10:08 AM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
7.
September 04, 2009
B is the midpoint of segment AC. Find the value of m and the length of AB and BC.
4m ­ 10
3m + 5
A
B
C
3m + 5 = 4m ­ 10
15 = m
AB = 3(15) + 5
=50
BC = 4(15) ­ 10
= 50
Aug 28­10:10 AM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
September 04, 2009
8. a. Use a protractor to measure the angle.
b. Classify the angle.
Acute
Aug 28­11:56 AM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
September 04, 2009
9.
a. m<BCG = 60, m<GCA = _60____, and m<BCA = __120___.
b. If BC = 12 and CE = 15, then BE = __27___.
True or False:
c. <FCB and <DCF are adjacent angles. T
d. <BCF and <ACH are vertical angles. F
Aug 28­8:14 AM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
September 04, 2009
10.
If <EOD = 8x + 6, <EOA = 7x, and <AOD = 16x ­ 1, find the value of x and the measure of <AOD.
x = 7
<AOD = 111
Aug 28­12:03 PM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
September 04, 2009
11.
If <EOD = 5x ­ 3, <EOA = 8x, and <AOB = 7x +3, find the value of x and the measure of <EOD, <EOA, <AOB
x = 9, <EOD = 42, <EOA= 72, <AOB = 66
Aug 28­12:03 PM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
12.
September 04, 2009
Vocabulary ­ Matching
___J___ 1. Congruent
___F___ 2. Coplanar
___E___ 3. Parallel Lines
a. A point that divides the segment into two congruent segments.
b. An angle whose measure is between 90 and 180.
__B____ 4. Obtuse Angle
c. A ray that divides an angle into two congruent angles.
__G____ 5. Segment
d. Two angles that add up to 90.
e. Coplanar lines that do not intersect.
f. Figures that are in the same plane.
g. Part of a line consisting of two endpoints.
h. A
B
i. Points that lie on the same line.
j. The same.
Sep 9­9:58 AM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
13.
September 04, 2009
Vocabulary ­ Matching
__C____ 6. Angle Bisector
__H____ 7. Ray
a. A point that divides the segment into two congruent segments.
b. An angle whose measure is between 90 and 180.
___I___ 8. Collinear
__A____ 9. Midpoint
c. A ray that divides an angle into two congruent angles.
__D____ 10. Complementary Angles
d. Two angles that add up to 90.
e. Coplanar lines that do not intersect.
f. Figures that are in the same plane.
g. Part of a line consisting of two endpoints.
h. A
B
i. Points that lie on the same line.
j. The same.
Sep 9­9:58 AM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
14.
.
September 04, 2009
.
A
B
a) Copy the segment AB onto your paper.
b) Construct the perpendicular bisector to AB
.
X
A
.
B
X
Sep 2­7:55 PM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
September 04, 2009
15.
a. m<BCG = 50, m<FCD = __100___.
b. If CH is the bisector of <ACD, then m<ACH =__40___,
m<HCD = __40___ and m<ACD = __80____.
Aug 28­8:14 AM
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Day_10_­_Test_Review_1­1_to_1­9 answers.notebook
16. (3x + 31)
September 04, 2009
(2x ­ 6)
a. Write an equation for the supplementary angles above.
3x + 31 + 2x ­ 6 = 180
b. Solve the equation for x.
x = 31
c. Find the value of each angle. 124, 56
Aug 28­8:05 AM
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