Answers2627 GEOMETRY AUnit Test

Unit Test — Unit test Answers

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1
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Which statements are true based on the diagram? Select three options.

A
Plane S contains points B and E.
B
The line containing points A and B lies entirely in plane T.
C
Line v intersects lines x and y at the same point.
D
Line z intersects plane S at point C.
E
Planes R and T intersect at line y.
2
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Which statements are true based on the diagram? Select two options.

A
Points K, M, and N are collinear.
B
Points J, K, and Q are collinear.
C
Point R is the intersection of line KN and line MQ.
D
Lines JQ, KM, and MQ all intersect at point K.
E
There is only one line that can be drawn through points L and P.
3

Which defines a line segment?

A
two rays with a common endpoint
B
a piece of a line with two endpoints
C
a piece of a line with one endpoint
D
all points equidistant from a given point
4

Given: AB = BCProve: B is the midpoint of AC.

Question illustration
A
two-column proof
B
one-paragraph proof
C
flowchart proof
D
two-paragraph proof
5

A circle is inscribed with 3 lines. Point x is at the center of the circle. A vertical line goes through point x to point z on the edge of the circle. A horizontal line goes through point x to point y on the edge of the circle. A diagonal line goes through point x to point w on the edge of the circle.

Question illustration
A
Line segment Y Z
Option A
B
Line segment W Y
Option B
C
Line segment X Z
Option C
D
Line segment W Z
Option D
6

Angle MON is a straight angle and bisects MOQ.

Question illustration
A
29°
B
58°
C
61°
D
122°
7

2 lines connect to form a right angle. A third line extends between the 2 lines to form 2 angles which are labeled 1 and 2.

Question illustration
A
30°
B
45°
C
50°
D
75°
8

In the diagram, mFLI is 106°, mFLG = (2x – 1)°,mGLH = (x + 17)°, and mHLI = (4x – 15)°.

Question illustration
A
15°
B
29°
C
32°
D
45°
9

Use the ruler to measure the length of to the nearest centimeter. The length of is centimeters.

Answer not available
10

A horizontal line has points A , E, D. A line extends vertically from point E to point C and forms a right angle at C E D. A line extends up and to the left from point E to point B.

Question illustration
A
∠CED measures 45°.
B
∠CED measures 180°.
C
∠AEC measures 90°.
D
∠AEC measures 45°.
11

A line contains points M, N, O, P, Q, R, S with arrows instead of endpoints.

Question illustration
A
point M
B
point N
C
point O
D
point R
12

Which best describes the dimensions of a plane?

A
A plane has zero dimensions because it represents a location on the coordinate plane.
B
A plane has one dimension because it is made up of an infinite number of points.
C
A plane has two dimensions because it is a flat surface that has length and width but no depth.
D
A plane has three dimensions because it is made up of exactly three noncollinear points.
13

Two lines extend from point S to create a right angle. The vertical line extends from point S through point R. The horizontal line extends right from point S through point T. A third line extends right and up from point S through point U.

Question illustration
A
TSR
Option A
B
TSU
Option B
C
USR
Option C
D
UTS
Option D
14

Four lines extend from point K. The space between lines K J and K N is 58 degrees. The space between lines K N and K M is 61 degrees. The space between lines K M and K L is 61 degrees.

Question illustration
A
Point K is a midpoint of .
Option A
B
mJKN = mJKM
Option B
C
Ray KM is an angle bisector of NKL.
Option C
D
JK = KL
Option D
15

What is the format of this proof?Given: ∠ABC is a right angle, ∠DBC is a straight angleProve: ∠ABD is a right angle

Question illustration
A
two-column proof
B
two-paragraph proof
C
flowchart proof
D
one-paragraph proof
16

Which part of the proof does the fourth statement and reason represent?Given: AB ≅ BCBC ≅ EF Prove: EG = AB + FG

Question illustration
A
It is part of the given information.
B
It is part of the argument.
C
It is the conclusion.
D
It is an assumption.
17

3 lines are shown. A line with points M, H, K intersects a line with points J, H, L at point H. A line extends from point H to point P between angle K H J. Angle M H L is 140 degrees and angle K H P is 20 degrees.

Question illustration
A
100°
B
120°
C
140°
D
160°
18

Angle MON is a straight angle and bisects MOQ.

Question illustration
A
29°
B
58°
C
61°
D
122°
19

Use the ruler to measure the length of to the nearest centimeter. The length of is centimeters.

Answer not available
20

Which statements are true based on the diagram? Select three options.

A
Plane S contains points B and E.
B
The line containing points A and B lies entirely in plane T.
C
Line v intersects lines x and y at the same point.
D
Line z intersects plane S at point C.
E
Planes R and T intersect at line y.

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