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WorksheetsPractice Questions- Dilation
Total questions: 15
Worksheet time: 8mins
what is the scale factor?
3
2.4
0.4
0.3
What is the dilation?
15.5
21
18
24
If the scale factor is greater than one ...
is an enlargement
is an congruence
is a reduction
is a scale factor
Is this triangle dilated?
Yes, this is dilated
No, this is not dilated
what is the rule of dilation?
the amount you want to change a shape
the point where the x axis and y axis meet
(x,y), to (6x,6y)
a transformation in which a polygon is enlarged or reduced by a given factor around a given center point
Stanley had a poster made from a picture of his dog Tasha. The poster image is eight times the size of the picture. If the poster image is 120 cm. in height, what was the height of Stanley's original picture of Tasha (in centimeters)?
10
5
20
15
A dilation centered at O is shown at the right. The image is ΔA'B'C'.
If OA = 12 units and
OA' = 8 units, what is the scale factor of this dilation?
½
⅖
⅔
when a shape has kept it’s orientation but has been changed in size, either getting smaller or getting larger what is it called...
vertex
Origin
Dilation
Dilation of a polygon
A(3,3) B(6,6) C(9,3)
the rectangle ABCD with coordinates A(-2, 1), B(1, 1), C(1, -1), D(-2, -1),and dilate the image by a scale factor of 2 with the origin as the center of dilation
A'(-4, 2), B'(2, 2), C'(2, -2), D'(-4, -2)
A'(-5,1),B'(4,4),C'(2,-2),D'(-4,-2)
