Triangle D has been dilated to create triangle D′. Use the image to answer the question.
image of a triangle labeled D with side lengths of 6, 8, 10 and a second triangle labeled D prime with side lengths of 12, 16, 20
Determine the scale factor used.
one half
1
2
one third
1 answer
The scale factor used is 2. This is because each side length of triangle D has been multiplied by 2 to get the side lengths of triangle D′.
1 answer