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WorksheetsDilations/Scale Factor/Corresponding Sides
Total questions: 30
Worksheet time: 25mins
If a triangle with side length 5 cm is dilated to a triangle with side length 15 cm, what is the scale factor of the dilation?
2
3
0.5
1.5
A rectangle is dilated by a scale factor of 0.4 . What type of dilation is this?
Enlargement
Reduction
Translation
Reflection
A figure is enlarged by a scale factor of 2.5 . Which statement is true?
The image is smaller than the original
The image is the same size as the original
The image is larger than the original
The image is not similar to the original
If a square with side length 8 cm is reduced to a square with side length 2 cm, what is the scale factor?
4
0.25
0.5
2
Which of the following best describes a dilation?
A transformation that changes the size but not the shape of a figure
A transformation that changes the shape but not the size
A transformation that flips a figure over a line
A transformation that slides a figure
A pentagon is dilated by a scale factor of 1.0 . What happens to the pentagon?
It becomes larger
It becomes smaller
It stays the same size
It becomes a different shape
If a dilation has a scale factor greater than 1 , what type of transformation is it?
Reduction
Enlargement
Translation
Rotation
A rectangle has a length of 10 cm and a width of 4 cm. After a dilation with a scale factor of 0.5 , what are the new dimensions?
20 cm by 8 cm
5 cm by 2 cm
10 cm by 4 cm
2 cm by 1 cm
Which of the following is NOT true about similar figures after a dilation?
Corresponding angles are equal
Corresponding sides are proportional
The figures have the same area
The figures have the same shape
A hexagon is dilated by a scale factor of 0.8 . What type of dilation is this?
Enlargement
Reduction
Reflection
Rotation
If a figure is dilated by a scale factor of 1.5 , what happens to the side lengths?
They are multiplied by 1.5
They are divided by 1.5
They stay the same
They are squared
A triangle has sides of 3 cm, 4 cm, and 5 cm. After a dilation, the sides are 6 cm, 8 cm, and 10 cm. What is the scale factor?
2
1.5
0.5
3
Which of the following scale factors would result in a reduction?
2
1
0.75
3
A rectangle is enlarged by a scale factor of 4 . If the original width is 2 cm, what is the width of the image?
8 cm
6 cm
4 cm
2 cm
Which statement is true about dilations?
Dilations always produce congruent figures
Dilations always produce similar figures
Dilations always produce different shapes
Dilations never change the size of a figure
A figure is reduced by a scale factor of 0.2 . If the original side is 15 cm, what is the new side length?
3 cm
7.5 cm
30 cm
0.2 cm
Which of the following is an example of an enlargement?
Scale factor 0.6
Scale factor 1
Scale factor 1.2
Scale factor 0.3
A rectangle with length 12 cm is dilated to a rectangle with length 3 cm. What is the scale factor?
4
0.25
0.5
3
What is the scale factor?
(The large rectangle is the original.)
1
2
1/2
-2
what is the scale factor?
(The small triangle is the original.)
1
3
1/3
8
If two figures are similar, the corresponding sides are ______________.
Equal
Congruent
Proportional
None of the above
If two figures are similar their angles are______.
Proportional
Congruent
supplementary
complementary
Two objects that are the same shape but not the same size are _______.
Vertical
Congruent
Complementary
Similar
The pair of figures is similar. Find the missing side.
x=1
x= 9
x= 3
x=5
