Hey guys I need help with the unit 8 lesson 12 transformations and congruence unit test
All questions
A triangle has a side that is 8 units long. How long will this side be after the figure is translated to the right 3 units and up 8 units?(1 point)
A triangle has a side that is 8 units long. How long will this side be after the figure is translated to the right 3 units and up 8 units?(1 point)
Translate the figure VWXYZ 3 units to the left. Which one of the following would be a vertex in the translated figure? Select all that apply.(2 points)
Is figure V a reflection of figure U across the y-axis? Choose yes or no.
(1 point)
Responses
Yes
Yes
No
The figure shows quadrilateral ABCD reflected over the y-axis to produce quadrilateral A′B′C′D′. What is the measure of ∠B′?
(1 point)
Responses
80°
75°
85°
120°
Given the point (3,4) on a geometric figure, what is the new point after rotating the figure 90 degrees counterclockwise?(1 point)
Given point C (4,6) on the triangle, what are the new coordinates of the point after the triangle is rotated 180° clockwise?
Which series of transformations can be used to map Triangle XYZ onto Triangle X′Y′Z′?
(1 point)
Responses
a translation 2 units down and a rotation of 180° around the origin
a translation 2 units down and a rotation of 180° around the origin
a reflection across the y-axis and a translation 8 units to the right
a reflection across the y-axis and a translation 8 units to the right
a rotation of 180° around the origin and a translation 2 units down
a rotation of 180° around the origin and a translation 2 units down
a translation 8 units to the right and a reflection across the x-axis
Which two transformations map Figure A onto Figure B?
(1 point)
Responses
a reflection across the x-axis and a translation 5 units down
a reflection across the x-axis and a translation 5 units down
a reflection across the y-axis and a translation 1 unit down
a reflection across the y-axis and a translation 1 unit down
a reflection across the x-axis and a translation 1 unit down
a reflection across the x-axis and a translation 1 unit down
a reflection across the y-axis and a translation 5 units down
An object goes through a variety of transformations, starting at position A, then to position B, then C, and ending at position D. Order the transformations that the object underwent from start to finish.
(2 points)
Translation
Rotation
Reflection
What is the sequence of steps used to move traingle DFG in Quadrant I to the triangle in Quadrant II to show that the triangles are congruent?
(1 point)
Responses
transformation, then translation
transformation, then translation
translation, then rotation
translation, then rotation
rotation, then translation
rotation, then translation
reflection, then translation
Pentagon LMNOP undergoes a single transformation to form a congruent pentagon, L′M′N′O′P′. Which of the following best describes the possible transformation that took place?(1 point)
Responses
a reflection only
a reflection only
a reflection, rotation, or a translation
a reflection, rotation, or a translation
a translation only
a translation only
a rotation only
Which statements will be true if two figures are congruent? Select all that apply.(3 points)
Responses
The figures will have the same angle measurements.
The figures will have the same angle measurements.
Based on your knowledge of rigid transformations:
(3 points)
Figure A is congruent to
Figure B is congruent to
Figure C is congruent to
1 answer
5 answers