18 questions
Which statement explains why figure ABCDE must be congruent to figure A'B'C'D'E'?
rotation and translation
dilation and translation
reflection and rotation
dilation and rotation
What are the coordinates of P'?
(1.5,1.5)
(0.5, 0.5)
(4,4)
(1,1)
What is the length of one side of the square?
units
units
units
units
What is the measure of ?
72 degrees
108 degrees
126 degrees
144 degrees
Which of these ratios could he use?
188 cubic inches
942 cubic inches
14,130 cubic inches
25,120 cubic inches
(6,9)
(1,8)
(2,9)
(7,4)
What is the diameter of the circle?
12 cm
6 cm
cm
cm
Which set of transformations can be used to prove figure ABCD is congruent to A"B"C"D"
reflect figure ABCD over the x-axis, then reflect over the y-axis
rotate figure ABCD 90 degrees about the origin, then translate 4 units down
translate figure ABCD 1 unit to the right, then rotate 180 degrees about the origin
translate figure ABCD 8 units down, then translate 7 units to the right
In the coordinate grid a dilation about the origin is performed on Figure A resulting in Figure A'. What is the scale factor?
2
1
Which sequence of transformations maps PQR onto its image of P'Q'R'
a reflection across the y-axis and then a dilation centered at the origin with a scale factor of 2/3
a dilation centered at the origin with a scale factor of 3/2 and then a reflection across the x-axis.
a dilation centered at the origin with a scale factor of 2/3 and then a rotation 90- degrees clockwise about the origin
a rotation 90 degrees clockwise about the origin and then a dilation centered at the origin with a scale factor of 2/3
A triangular flag has one 90 degree angle. Which set of measurements could be the side lengths of the flag?
20 cm, 24 cm, 26 cm
20 cm, 48 cm, 56 cm
24 cm, 32 cm, 36 cm
24 cm, 45 cm, 51 cm
What is the length of
units
units
10 units
58 units
What is the measure of angle x?
Rectangle ABCD is rotated 90 degrees counterclockwise about the origin, resulting in rectangle A'B'C'D'. What are the coordinates of A'?
(2,5)
(2,-5)
(-5,2)
(5,-2)