AnswersFL-1206310-Geometry A - FlexUnit Test

Unit Test — Unit test Answers

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1
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The diagram shows several planes, lines, and points.

Question illustration
A
Line h intersects line f at two points, A and B.
B
Line h is the intersection of planes R and T.
C
Line h intersects plane P at point C.
D
Line h has points on planes R, P, and T.
2
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Which undefined geometric term is described as an infinite set of points that has length but not width?

A
distance
B
line
C
plane
D
sphere
3

What is the distance between points A and B?

Question illustration
A
units
Option A
B
units
Option B
C
5 units
D
6 units
4

Question text not available

Question illustration
A
line XY
B
line XZ
C
line WX
D
line WZ
5

Two parallel lines are intersected by a third line so that angles 1 and 5 are congruent.

Question illustration
A
They are acute.
B
They are congruent.
C
They are complementary.
D
They are supplementary.
6

Which figures can be precisely defined by using only undefined terms? Select three options.

A
angle
B
arc
C
circle
D
line segment
E
parallel lines
7

Let p: The shape is a rhombus.Let q: The diagonals are perpendicular.Let r: The sides are congruent.Which represents "The shape is a rhombus if and only if the diagonals are perpendicular and the sides are congruent”?

A
p ∧ (q ∧ r)
B
(p ∨ q) ∨ r
C
p ↔ (q ∧ r)
D
(p ∨ q) ↔ r
8

Angle PSR measures 99°.

Question illustration
A
9°
B
24°
C
45°
D
54°
9

In the diagram, what is mVSR?mVSR = °

Answer:

109701

10

Given that bisects ∠CEA, which statements must be true? Select three options.

Question illustration
A
m∠CEA = 90°
B
m∠CEF = m∠CEA + m∠BEF
C
m∠CEB = 2(m∠CEA)
D
∠CEF is a straight angle.
E
∠AEF is a right angle.
11

3 lines are shown. One line has points B, A, and E. Another line with points C, A, F intersects that line at point A. Another line comes out of point A and contains point D.

Question illustration
A
and
Option A
B
and
Option B
C
and
Option C
D
and
Option D
12

Angle RST is a right angle. Angle RSU has a measure of 25°.

Question illustration
A
25°
B
45°
C
65°
D
75°
13

The truth table represents statements p, q, and r. pqrq ∧ r ATT T T BTTF F C T FT F DT F FF EF T T T FF T F F GF F T F HF F F F

A
E
B
F
C
G
D
H
14

Two lines intersecting at a right angle

A
form a line.
B
are parallel.
C
are perpendicular.
D
form a ray.
15

What is the missing reason in the proof?Given: ∠ABC is a right angle, ∠DBC is a straight angleProve: ∠ABC ≅ ∠ABD

Question illustration
A
definition of angle bisector
B
segment addition property
C
definition of congruent angles
D
transitive property
17

Read the statement.Doubling the dimensions of a rectangle increases the area by a factor of 4.If p represents doubling the dimensions of a rectangle and q represents the area increasing by a factor of 4, which are true? Select two options.p → q represents the original conditional statement.~p → ~q represents the inverse of the original conditional statement.q → p represents the original conditional statement.~q → ~p represents the converse of the original conditional statement.p → ~q represents the contrapositive of the original conditional statement.

A
p → q represents the original conditional statement.
B
~p → ~q represents the inverse of the original conditional statement.
C
q → p represents the original conditional statement.
D
~q → ~p represents the converse of the original conditional statement.
E
p → ~q represents the contrapositive of the original conditional statement.
18

When using a counterexample to prove a conditional statement false, which must be true about the counterexample?

A
There must be infinite counterexamples.
B
The counterexample must satisfy the hypothesis of the conditional statement.
C
There must be at least one example under which the conditional statement is true.
D
The counterexample must satisfy the conclusion of the conditional statement.
19

Given: mTRV = 60° mTRS = (4x)°Prove: x = 30What is the missing reason in step 3?

Question illustration
A
substitution property of equality
B
angle addition postulate
C
subtraction property of equality
D
addition property of equality
20

A flowchart proof

A
contains a set of sentences explaining the steps needed to reach a conclusion.
B
uses inductive reasoning to prove a statement.
C
uses a visual representation of the logical flow of steps needed to reach a conclusion.
D
contains a table with a logical series of statements and reasons that reach a conclusion.
21

Line segment AB measures 18 units. What is d, the distance between tick marks on the number line?

Question illustration
A
1 unit
B
2 units
C
3 units
D
9 units

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