Which of the following dimensions could be a scaled copy of a rectangle measuring 12 cm by 3 cm?

Scale Factors and Angle Relationships

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Mathematics
•
8th Grade
•
Hard

Thomas White
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6 cm by 1.5 cm
10 cm by 2 cm
13 cm by 4 cm
15 cm by 5 cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the scale factor if rectangle A (12 cm by 8 cm) is a scaled copy of rectangle B (15 cm by 10 cm)?
2/3
3/2
5/4
4/5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If rectangle B is a scaled copy of rectangle A, what is the scale factor from A to B?
2
4/5
1/2
5/4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you know that rectangle C is not a scaled copy of rectangle B?
C's dimensions are both double B's dimensions
C's width is not double B's width
C's length is not double B's length
C's dimensions are half of B's dimensions
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should be the scale factor to draw a scaled copy of a polygon with half the dimensions?
1/2
2
1/4
3/4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a polygon is scaled by a factor of 2, what happens to its dimensions?
They remain the same
They are halved
They are tripled
They are doubled
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which set of angles can form a triangle?
60°, 60°, 60°
90°, 45°, 45°
50°, 60°, 70°
100°, 40°, 50°
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