Answer Key MATH-G
PGHS-16, Geometry - 1st Quarter Review Exam not valid for Paper Pencil Test Sessions 1
[Exam ID:143FK8
Statement: If an angle is a right angle, then it measures 90°. What is the inverse of the following statement? oA If an angle is not a right angle, then it does not measure 90°. B If an angle is a right angle, then it does not measure 90°. C If an angle measures 90°, then it is a right angle. D If an angle does not measure 90°, then it is not a right angle.
Legate
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2
Consider the following statements. p : The sum of two angles is 180°. q : Two angles are supplementary. Argument: If two angles are not supplementary, then the sum of the two angles is not 180°. → ~p Which of the following is the symbolic representation of the given argument? A ~p → ~q 0B ~q → ~p C q → p D p → q
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if if and only
3
Which is the biconditional of the following statement: If an angle is 90o, then it is a right angle. A An angle is 90o if and only if it is a right angle.
0
B If an angle is not 90o, then it is not a right angle. C An angle is a right angle if and only if it is 90o. -
D If an angle is less than 90o, then it is acute.
-
Not same order
4
Assume the following statements are true. If it rains today, then we will stay inside. If we stay inside, then we will bake cookies. Using the law of syllogism, what is a valid conclusion? A If we stay inside, then we will bake cookies. B If it rains today, then we will bake cookies. C If it rains today, then we will stay inside. D If it rains today, then we will not bake cookies.
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orkfnm inside
9
According to the Venn diagram, which is true? A All acute triangles are equiangular. B No equiangular triangles are acute. eC All equiangular triangles are acute. D Some equiangular triangles are not acute.
6
Determine the length of segment AB if A is at (3, -5) and B is at (-2, 7). -
7
out
(T3=D2tt5⇒5=B
The coordinates of the midpoint of AB are (-2, 1) and the coordinates of A are (2, 3). What are the coordinates of B? other A (0, 2) × B (-1, 2) C (-6, -1) Notmidefdithfnttformuld D (-3, 4) _
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8
For the line that passes through the points (2, 5) and (-3, -6), the slope of a line perpendicular to it is ---
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A B C D
9
11 5 5 11 11 — 5 5 — 11
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Type the coordinates of an integral point in the box without using the space bar. A comma ( , ) should separate the x and y coordinates. Example: (2,-6)
( 2,57 (o
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4) -
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10 Line segment CD is which transformation of line segment AB ?
A B C D
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Translation Rotation Reflection Dilation
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upside Flip paper
11
Which triangle is a 180o rotation about the origin of ΔABC?
12 Look at the figure in the graph.
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down ! A B C D
ΔJKL ΔDEF ΔGHI ΔMNO
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The figure has been dilated.
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What is the scale factor of the dilation? A 3
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1 2
13 Which figure shows a translation of figure B?
A B oC D
Figure 4 Figure 1 Figure 3 Figure 2
14 What is the length of the radius and the coordinates of the center of the circle definded by the equation: x2 + (y - 7)2 = 16 A B C D
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Center = (0, -7); radius = 4 Center = (0, -7); radius = 16 Center = (0, 7); radius = 16 Center = (0, 7); radius = 4
Change
signofcenter
squarerootfrradius
15 What is the length of the diameter of the circle defined by the equation (x - 5)2 +
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(y + 4)2 = 144? A B C D
24 48 12 144
-
12
D= 24
16 There exist a line segment AC where point B is betweenA and C. If AC = 8x, AB = 14, and BC = 4x + 6, then what is the length of AC. A 0B C D
30 40 5 26
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Distraction
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== .tl#lxt6.=8x B A C
4×+20=8×20--411
11=5
867=40
17 Ray BQ bisects ∠ ∠ ABC. If m∠ ∠ ABC = 100, and m∠ ∠ ABQ = 2x + 10, then what is the value = of x. °A 20 B 30 C 55 D 45
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18 If an angle is 55o, what is the measure of it's supplement?
180-55=1250
-
19 The given diagram is what kind of construction?
A B C D
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Angle bisector Congruent line segments Congruent angles Perpendicular bisector
20 Which point produces the angle bisector of ∠ ∠ ACB ?
+
A B C D
Point G Point o E Point D Point F
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1st quarter benchmark Answer key
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