Scale Factor
Vocabulary
Missing Side
Scaled Copy
Word Problems
100
The scale factor from triangle DEF to triangle D`E`F`is ...
What is 1.5 cm?
100
A ______ is the same shape, but a different size.
Scaled Copy
100
The value of the unknown side length x is ...
x = 2.5
100
A triangle has the side lengths of 2, 4, 7. Of the following, which side lengths below would create a scaled copy...
(a) 1, 2, 3 (b) 1.5, 3, 5.25 (c) 2.5, 5, 8.5
(b) 1.5, 3, 5.25
100
A map has a scale of 2 cm = 15 miles. A trip will be 7 cm on the map, the actual distance will be ...
52.5 miles
200
The scale factor from triangle NQB to triangle N`Q`B` is...
What is 1.25cm?
200
To create a scaled copy, we ________all the lengths in the original figure by the same number. This number is called the scale factor.
Multiply
200
The value of the unknown side length x is ...
x = 7
200
A triangle has the side lengths of 8, 9, 15. Of the following, which side lengths below would create a scaled copy...
(a) 16, 18, 25 (b) 16, 15, 30 (c) 16, 18, 30
(c) 16, 18, 30
200
A blueprint has a scale of 2 cm = 6 feet. A house is 30 feet wide, the blueprint will be this distance in centimeters ...
10 cm
300
The scale factor from triangle NPW to triangle N`P`W`is ...
What is 1/4 cm?
300
A scaled copy is a copy of a figure where every ______ in the original figure is multiplied by the same number.
Length or Side
300
The value of the unknown side length ? is ...
? = 20
300
A triangle has the side lengths of 4, 5, 6. Of the following, which side lengths below would create a scaled copy...
(a) 1, 1.25, 7.5 (b) 5, 6.25, 7.5 (c) 2, 2.5, 3.25
(b) 5, 6.25, 7.5
300
The scale of a rectangle is 9 inches wide and 11 inches long. If the actual width is 36, then the actual area will be ...
1,584 sq. in
400
hat is the length of "X" if the two figures are scaled copies?
X = 9.6 m
400
To create a scaled copy, we multiply all the lengths in the original figure by the same number. This number is called the _______
Scale Factor
400
The value of the unknown side length ? is ...
? = 7.2
400
A triangle has the side lengths of 8, 12, 22. Of the following, which side lengths below would create a scaled copy...
(a) 4, 6, 11 (b) 6, 9, 16 (c) 12, 17, 30
(a) 4, 6, 11
400
A rectangle is drawn below on the grid. If a scale factor of 1/2 is applied, the perimeter of the copy is ....
9 units
500
The scale factor from quadrilateral ABCD to quadrilateral A`B`C`D` is ...
2 cm
500
Scaled copies have _____________ parts.
Corresponding
500
Figures A and B are scaled copies.
The scale factor from A to B is 7/9
What is the scale factor from Figure B to A?
9/7
500
A triangle has side lengths of 9, 15, 24. Which of the following sets of side lengths could represent a triangle that is similar to it?
(a) 12, 20, 32
(b) 18, 30, 48
(c) 10, 16, 26
Both
(a) 12, 20, 32
(b) 18, 30, 48
500
A map uses a scale of 1.5 cm = 20 miles. A two-part road trip measures 5.4 cm and 3.9 cm on the map. What is the total actual distance of the trip in miles?
124 miles is the total actual distance