| Translations | Reflections | Rotations | Dilations | Spheres, Cones, and Pyramids |
|---|---|---|---|---|
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Slides/moves
A translation is a transformation which _______________ a figure into a different position.
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Flipping
A reflection is a transformation that involves _______________ a figure over a line.
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turns
A rotation is a transformation that _______________ a figure.
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scale factor
A dilation is a transformation in which a figure is made bigger or smaller using a _______________ _______________.
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1024π m2
Find the surface area of a sphere with a diameter of 32 meters. (Use π)
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Distance; direction
Each point of a figure moves the same _______________ and in the same _______________.
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Perpendicular distance
When reflecting, you can count the _______________ _______________ to the line of reflection to figure out the new image.
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origin
A rotation turns a figure around a(n) _______________.
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proportional/similar
In a dilation, the original figure and dilated figure are _______________.
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100π in3
Find the volume of a cone with a base diameter of 10 in and a height of 12 in. (Use π)
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Left
With the translation rule (x - 4, y), the figure will move 4 units __________.
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(x, y) → (-x, y)
What is the rule for reflecting across the y-axis?
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(x, y) → (y, -x)
What is the rule for a 270° rotation counterclockwise?
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smaller
If a scale factor is less than 1, then you figure gets _______________.
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288π ft3
Find the volume of a sphere with a radius of 6 ft. (Use π)
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Right; up
With the translation rule (x + 1, y + 4), the figure will move 1 unit __________ and 4 units __________.
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Y-axis
Which axis did this point reflect over?
G (1, 5) → G’ (-1, 5) |
Quadrant I
If you rotate a figure in Quadrant IV 90° counterclockwise, which Quadrant will it end up in.
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enlargement
Is a dilation with the scale factor 2.5 an enlargement or reduction?
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121π cm3
Find the volume of a cone with a slant height of 14 cm and a base diameter of 11cm. (Use π)
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Left; down
With the translation rule (x - 3, y - 1), the figure will move 3 units __________ and 1 unit __________.
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X-axis
Which axis did this point reflect over?
P (-6, 2) → P’ (-6, -2) |
180° counterclockwise/180° clockwise
What kind of rotation is this?
W (3, 4) → W’ (-3, 4) X (2, -2) → X’ (-2, 2) Y (0, -4) → Y’ (4, 0) |
1.5
What is the scale factor used in this dilation?
X (-4, 2) → X’ (-6, 3) Y (6, -0) → Y’ (9, 0) Z (-2, -4) → Z’ (-3, -6) |
144 cm2
Find the surface area of a square pyramid with a base length of 8cm and a height of 3cm.
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