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sweet-ann [11.9K]
3 years ago
10

Line AB has a length of 5 cm. The line segment is dilated to produce line A'B', which has a length of 2 cm. Find the scale facto

r of the dilation.
A. k = 2/5
B. k = 1/2
C. k = 5/2
D. k = 2

Thank you in advance for your help!
Mathematics
2 answers:
Mumz [18]3 years ago
7 0

Answer:

Option A is correct

k = 2/5

Step-by-step explanation:

The rule of dilation with scale factor k is given by:

k = \frac{\text{Image length}}{\text{original length}}

As per the statement:

Line AB has a length of 5 cm. The line segment is dilated to produce line A'B', which has a length of 2 cm.

⇒original Length (AB)= 5 cm

and

Image length (A'B') = 2 cm

Apply the rule of dilation we have;

k = \frac{\text{A'B'}}{\text{AB}}

Substitute the given values;

k = \frac{2}{5}

Therefore, the scale factor of the dilation is, 2/5

nasty-shy [4]3 years ago
3 0
<span>The correct answer is A. k = 2/5</span>
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