What is the main focus of Unit 7 in Common Core Geometry?

Dilation and Similarity in Geometry

Interactive Video
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Mathematics
•
9th - 10th Grade
•
Hard

Thomas White
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Congruence of geometric figures
Similarity of geometric figures
Measurement of angles
Properties of circles
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a dilation involve in geometry?
Changing the color of a figure
Reflecting a figure
Rotating a figure
Enlarging or shrinking a figure
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which letter is commonly used to represent the scaling factor in dilations?
M
K
N
L
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result when a dilation scale factor is less than one?
The object disappears
The object remains the same size
The object gets smaller
The object gets larger
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a dilation, what happens to the center of dilation?
It remains unchanged
It becomes the midpoint
It doubles in size
It moves to a new location
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the original and dilated line segments in terms of length?
The dilated segment is half the length of the original
The dilated segment is twice the length of the original
The dilated segment is the same length as the original
The dilated segment is unrelated in length to the original
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What property do the original and dilated line segments share?
They are perpendicular
They are parallel
They intersect at the center
They form a right angle
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