 Rigid Transformations Practice Terms of Use    Contact Person: Donna Roberts  1.
What is another term for a rigid transformation?

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 dilation mapping isometry image 2.
In a rigid transformation, the pre-image and the image ____________.

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 are congruent figures. are facing in the same direction. share at least one point in common. All of the above. 3.
In a rigid transformation on ΔABC, .
Which transformation was applied to ΔABC ?
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 reflection translation rotation 4.
In a reflection, the points of the pre-image are always the same distance away from the line of reflection as the corresponding points of the image.
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 TRUE FALSE 5.
The diagram at the right shows a rotation centered at point P.
Find the values of x, y and w.
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 x = 134     y = 10     w = 3 x = 33.5    y = 10    w = 3 x = 33.5     y = 2.5    w = 3 x = 33    y = 2    w = 3 6.
The drawing of a jar is created by reflecting half of the drawing over a line of reflection, m.
a) What is the width of the full drawing of the jar at its widest point?

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 16" 8" 3" 4"

b)
The jar sits on a circular base. What is the circumference of the base?

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 3π in. 6π in. 8π in. 9π in. 7.
ΔRST is translated by the rule:
(x, y) → (x + 3, y - 4).
a) Is RS = R'S' ?
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 Yes No Sometimes

b)
If R(-2,5), what is RR' ?
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 11 8 6 5 8.
In a rigid transformation on ΔABC, . Which transformation was applied to ΔABC ?
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 reflection translation rotation 9.
A rigid transformation is applied to a figure under the rule (x, y) → (-x, -y).
What effect does this transformation have on the figure?

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 90º rotation about the origin 180º rotation about the origin reflection over the y-axis reflection over the x-axis 10.
In a rigid transformation on ΔABC, .
Which transformation was applied to ΔABC ?
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 reflection translation rotation  