Dilations Perimeter and Area
Authored by Anthony Clark
Mathematics
8th Grade
8 covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A rectangle is dilated by a scale factor of 3. What will be the resulting effect on the area?
It will be dilated by scale factor of 3
It will be dilated by a scale factor of 9
There will be no effect on the area
It will be dilated by 1/3
Tags
8.10.D
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A figure is dilated by a scale factor of 4. Which of the following statements about the figure must be true?
The perimeter and area are both multiplied by 4.
The perimeter is multiplied by 4 and the area is multiplied by 16.
The perimeter and area are both divided by 4.
The perimeter is multiplied by 16 and the area is multiplied by 4.
Tags
8.10.D
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the scale factor is 5, how times larger will the area of the big square be compared to the smaller square?
5
20
25
Tags
8.10.D
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A triangle has an area of P square units. The triangle is dilated by a scale factor of 2. Which expression could represent the area of the new shape?
2P units
4P units
Tags
8.10.D
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Figure ABCD has an area of 4 units2. It is then dilated using a scale factor of 4. What is the perimeter of the new figure?
32
64
8
Tags
CCSS.7.G.A.1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A triangle has an area of P square units. The triangle is dilated by a scale factor of 3.
Which expression could represent the area of the new shape?
9P units
3P units
Tags
8.10.D
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A triangle has a perimeter of P units. The triangle is dilated by a scale factor of 1/2.
Which expression could represent the perimeter of the new shape?
2P units
4P units
Tags
8.10.D
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