What's the scale?
Vocabulary
X =
Which is similar?
Keys & scales
100
The scale factor from triangle DEF to triangle D`E`F`is ...
What is 1.5 cm?
100
The definition of scaled copy...
What is a figure in which every length in the original increased or decreased by the same scale factor?
100
The value of the unknown side length x is ...
What is x = 2.5?
100
A triangle has the side lengths of 2, 4, 7. Of the following, which one is similar ...
a. 1, 2, 3 b. 1.5, 3,5.25 c. 4, 8, 28
What is 1.5, 3,5.25?
100
If the scale factor is less than 1 the new figure will be
an enlargement
a reduction
a scale factor
bigger
What is a reduction or smaller?
200
The scale factor from triangle NQB to triangle N`Q`B` is...
What is 1.25cm?
200
The definition of corresponding is ...
What means when part of the original figure matches up with the scaled copy.
200
The value of the unknown side length x is ...
What is x = 7?
200
A triangle has the side lengths of 8, 9, 15. Of the following, which one is similar ...
16, 18, 25 16, 15, 30 16, 18, 30
What is 6, 18, 30?
200
When drawing scale copies, the angles
a. remain the same .
b. change based on the scale factor
c. will never be the same when one figure is large than the other
What is a. remain the same .
300
The scale factor from triangle NPW to triangle N`P`W`is ...
What is 1/4 cm?
300
The scale factor of 1 from the original to the copy is called this ...
What is congruent shapes?
300
The value of the unknown side length ? is ...
What is ? = 20?
300
A triangle has the side lengths of 4, 5, 6. Of the following, which one is similar ...
1, 1.25, 7.5 5, 6.25, 7.5 2, 2.5, 3.25
What is 5, 6.25, 7.5?
300
The scale factor of trapezoid A to trapezoid B is 10. The angle measurements for trapezoid A are 37, 37, 98, and 98. The new measurements for trapezoid B are...
What is 370, 370, 980, and 980?
400
The scale factor from quadrilateral ABCD to quadrilateral A`B`C`D` is ...
What is 2 cm?
400
What is the definition of scale factor?
The factor by which every length is increased or decreased when making a scaled copy.
400
The value of the unknown side length ? is ...
What is ? = 7.5?
400
A triangle has the side lengths of 8, 12, 22. Of the following, which one is similar ...
4, 6, 11 6, 9, 16 12, 17, 30
What is 4, 6, 11?
400
A rectangle is drawn and a scale factor of 1/3 is applied. The perimeter of the copy is ....
What is 6 units length of the original perimeter?