Dilations and Perimeter
Authored by Anthony Clark
Mathematics
8th Grade
8 covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A figure is dilated by a scale factor of 8. Which of the following statements about the figure must be true?
The perimeter and area are both multiplied by 8.
The perimeter is multiplied by 8 and the area is multiplied by 64.
The perimeter and area are both divided by 8.
Add 8 to the perimeter, but multiply the area by 8
Tags
CCSS.7.G.A.1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A triangle has a perimeter of P units. The triangle is dilated by a scale factor of 2.
Which expression could represent the perimeter of the new shape?
2P units
4P units
Tags
8.10.D
3.
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
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jane's garden is a 2 ft x 3 ft rectangle. If she increases it by a scale factor of 3, what is the new area of her garden?
72 square feet
18 square feet
36 square feet
54 square feet
Tags
8.10.D
5.
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
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A triangle has a perimeter of 10 centimeters. If each dimension of the triangle is dilated by a scale factor of 2 to create a new triangle, what is the perimeter of the new triangle?
40 centimeters
80 centimeters
20 centimeters
30 centimeters
Tags
8.10.D
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A dilation is which of the following:
An enlargement
A reduction
Either an enlargement or a reduction
Neither an enlargement or a reduction
Tags
8.10.D
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