The side lengths of triangle ABC are 10, 14, and 16. The side lengths of triangle A′B′C′ are 35, 49, and 56. Identify the scale factor of a single dilation between the preimage ABC and image A′B′C′ .(1 point)

Responses

27
Start Fraction 2 over 7 End Fraction

3.5
3.5

5.6
5.6

3

To find the scale factor of the dilation between the preimage ABC and image A′B′C′, we can compare the corresponding side lengths.

The side length of triangle A′B′C′ is 35, which is 3.5 times the corresponding side length of triangle ABC (10).

Therefore, the scale factor of the dilation is 3.5.