Answers1206310 Geometry Sem 1 - CarlisleLinear Pairs and Vertical Angles

Linear Pairs and Vertical Angles Answers

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3 lines are shown. A line with points A, F, D intersects a line with points B, F, E at point F. A line extends from point F to point C in between angle B F D.

Question illustration
A
DFB
Option A
B
CED
Option B
C
BFC
Option C
D
AFB
Option D
2
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In the diagram, which angles are vertical angles? Select two options.

A
ABE and ABC
Option A
B
ABE and CBD
Option B
C
ABE and EBD
Option C
D
ABC and EBD
Option D
E
ABC and CBD
Option E
3

3 lines are shown. A line with points P, R, N intersects a line with points O, R, M at point R. A line extends from point R to point L in between angle M R P.

Question illustration
A
He is correct. The angles share a common vertex so they are a linear pair.
B
He is correct. The angles share a common ray so they are a linear pair.
C
He is incorrect. Angle ORP does not form a linear pair with another angle in the diagram.
D
He is incorrect. Ray RO and ray RL are not opposite rays.
5

2 intersecting lines are shown. A line with points T, R, W intersects a line with points S, R, V at point R. 4 angles are created. Clockwise, from the top, the angles are blank, (3 x) degrees, blank, (x + 40) degrees.

Question illustration
A
20
B
35
C
60
D
70
6

2 intersecting lines are shown. A line with points M, H, K intersects a line with points J, H, L at point H. 4 angles are created. Clockwise, from the top, the angles are blank, (x + 15) degrees, blank, (2 x minus 20) degrees.

Question illustration
A
35°
B
50°
C
72.5°
D
92.5°
7

3 lines are shown. A line with points T, R, W intersects with a line with points S, R, V at point R. Another line extends from point R to point U in between angle V R W.

Question illustration
A
WRU and SRT
Option A
B
WRS and VRT
Option B
C
VRU and TRS
Option C
D
VRT and SRT
Option D
8

Given: mEDF = 120°; mADB = (3x)°; mBDC = (2x)°Prove: x = 24

Question illustration
A
vertical angles are congruent
B
substitution
C
definition of congruency
D
definition of equality
9

3 lines are shown. A line with points A, F, D intersects with a line with points B, F, E at point F. Another line extends from point F to point C in between angle B F D.

Question illustration
A
AFE and BFD
Option A
B
BFC and DFE
Option B
C
AFE and CFD
Option C
D
BFC and EFA
Option D
10

Given: mADE = 60° and mCDF = (3x + 15)°Prove: x = 15

Question illustration
A
Statement: 60 = 3x + 15; Reason: substitution
B
Statement: x = 15; Reason: subtraction property of equality
C
Statement: 60 = 3x + 15; Reason: transitive property
D
Statement: x = 15; Reason: subtraction and division properties of equality

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