Dilations and Similarity Quiz
Authored by Brent Berrier
Mathematics
7th Grade
CCSS covered
Used 6+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a dilation in geometry?
A dilation in geometry is a transformation that changes the shape of a figure without changing its size.
A dilation in geometry is a transformation that changes the size of a figure without changing its shape.
A dilation in geometry is a transformation that rotates a figure without changing its size.
A dilation in geometry is a transformation that reflects a figure without changing its size.
Tags
CCSS.8.G.A.3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the properties of dilations?
Dilations change the shape of a figure without changing its size.
Dilations only change the size of a figure in one direction.
Dilations only change the size of a figure in two dimensions.
Dilations change the size of a figure without changing its shape.
Tags
CCSS.8.G.A.3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If two figures are similar, what can you say about their corresponding angles?
Corresponding angles are supplementary.
Corresponding angles are congruent.
Corresponding angles are parallel.
Corresponding angles are equal.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If two figures are similar, what can you say about their corresponding side lengths?
Different.
Proportional
Equal.
Irrelevant.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a figure is dilated by a scale factor of 3, what happens to its side lengths?
They are divided by 3.
They are multiplied by 3.
They are added by 3.
They are subtracted by 3.
Tags
CCSS.8.G.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a figure is dilated by a scale factor of 0.2, what happens to its angles?
The angles become right angles.
The angles remain the same.
The angles increase by 0.2.
The angles decrease by 0.2.
Tags
CCSS.8.G.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What happens to a figure when it is dilated by a scale factor of a fraction less than 1?
Tags
CCSS.8.G.A.3
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