WorksheetsSaturday Regents Review 2 ( Aug 2017)
Total questions: 13
Worksheet time: 7mins
The image of ΔDEF is ΔD'E'F'. Under which transformation will the triangles not be congruent?
a reflection through the origin
a reflection over the line y = x
a dilation with a scale factor of 3 centered at (2,3)
a dilation with a scale factor of 3/2 centered at the origin
The vertices of square RSTV have coordinates R(-1,5), S(-3,1), T(-7,3), and V(-5,7). What is the perimeter of RSTV?
sqrt(20)
sqrt(40)
4sqrt(20)
4sqrt(40)
Which transformation would not map the rectangle onto itself?
a reflection over the x-axis
a reflection over the line x = 4
a rotation of 180° about the origin
a rotation of 180° about the point (4,0)
In the diagram below of parallelogram ROCK, m∠C is 70° and m∠ROS is 65°. What is m∠KSO?
45°
110°
115°
135°
In the diagram below, ∠GRS ≅ ∠ART, GR = 36, SR = 45, AR = 15, and RT = 18. Which triangle similarity statement is correct?
ΔGRS ≅ ΔART by AA.
ΔGRS ~ ΔART by SAS.
ΔGRS ~ ΔART by SSS.
ΔGRS is not similar to ΔART.
The line represented by the equation 4y = 3x + 7 is transformed by a dilation centered at the origin. Which linear equation could represent its image?
3x - 4y = 9
3x + 4y = 9
4x - 3y = 9
4x + 3y = 9
Given ΔABC with m∠B = 62° and side AC extended to D, as shown below. Which value of x makes AB ≅ CB?
59°
62°
118°
121°
In the diagram below of triangle ABC, D, E, and F are the midpoints of AB, BC, and CA, respectively. What is the ratio of the area of triangle CFE to the area of triangle CAB?
1:1
1:2
1:3
1:4
The coordinates of the endpoints of AB are A(-8, -2) and B(16,6). Point P is on AB. What are the coordinates of point P, such that AP:PB is 3:5?
(1) (1,1)
(2) (7,3)
(3) (9.6,3.6)
(4) (6.4,2.8)
Kirstie is testing values that would make triangle KLM a right triangle when LN is an altitude, and KM = 16, as shown below. Which lengths would make triangle KLM a right triangle?
LM = 13 and KN = 6
LM = 12 and NM = 9
KL = 11 and KN = 7
LN = 8 and NM = 10
A regular decagon is rotated n degrees about its center, carrying the decagon onto itself. The value of n could be
10°
150°
225°
252°
What is an equation of the perpendicular bisector of the line segment shown in the diagram below?
y + 2x = 0
y - 2x = 0
2y + x = 0
2y - x = 0
If the sum of the interior angles of a polygon is 1260 degrees, how many sides does the polygon have?
7
8
9
10
