What is the scale factor of this dilation?
a) 1/5
b) 1/2
c) 1
d) 2

The blue triangle is the dilated shape from the red triangle.

The dimensions of the blue triangle are half the red one.

The answer is B)1/2.

r(0,90)(x,y) . t(-5,0)

last option

step-by-step explanation:

∆def to ∆d"e"f"

- rotate 90 counterclockwise degrees

- then translated 5 to the left (x --> x - 5)

answer is the last option