A rectangle is dilated by a scale factor of 3/4. What will be the resulting effect on the perimeter?
Dilations Perimeter Area

Quiz
•
Mathematics
•
7th - 8th Grade
•
Hard
Barbara White
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
It will be dilated by a scale factor of 3/4
It will be dilated by a scale factor of 9/16
It will be dilated by scale factor of 4/3
It will be dilated by scale factor of 16/9
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A rectangle is dilated by a scale factor of 3. What will be the resulting effect on the area?
It will be 3 times larger
It will be 9 times larger
There will be no effect on the area
It will be 1/3 times smaller
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The diameter of a circle is dilated by a scale factor of 0.6, what will be the effect on the circle's circumference? *Circumference is the perimeter of a circle*
The circumference will be 0.3 times as large
The circumference will be 0.36 times as large
The circumference will be 1.88 times as large
The circumference will be 0.6 times as large
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A figure is going to be dilated by a scale factor of 3.5. Which of the following describes the effect of the dilation on the area of the figure?
The area will become 3.5 times larger
The area will become 7 times larger.
The area will become 12.25 times larger.
The area will become 49 time larger
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A rectangular paper diploma is mounted in a frame similar in shape. Each dimension of the frame is 1.2 times the corresponding dimension of the diploma. Which of the following is correct?
The area of the framed diploma is 1.2 times the area of the diploma.
The area of the framed diploma is 2.4 times the area of the diploma.
The perimeter of the framed diploma is 4.8 times the perimeter of the diploma.
The perimeter of the framed diploma is 1.2 times the perimeter of the diploma.
6.
MULTIPLE CHOICE QUESTION
5 mins • 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.
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the formula that compares the areas of the image and preimage?
A' = A(sf)
A = A'(sf)
A' = A(sf2)
A = bh
8.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the formula that compares the perimeter of the image with the perimeter of the preimage?
P' = P(sf)
P = P'(sf)
P = 2l + 2w
P' = l + w
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