Dilations Area 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 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 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
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
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A rectangle is dilated by a scale factor of 2.
What happens to the area?
doubles
triples
quadruples
not enough information
Tags
8.10.D
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A triangle has an area of 10 square centimeters. If each dimension of the triangle is dilated by a scale factor of 2 to create a new triangle, what is the area of the new triangle?
40 square centimeters
80 square centimeters
20 square centimeters
30 square centimeters
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
What is the scale factor used to dilate the small square to the larger square given there areas?
4
16
3
12
Tags
CCSS.7.G.A.1
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