39 is A
40 is D
And that is my answer
Scale factor is always (new/original)
so it depends which rectangle came first. if it started as large and was dilated to the smaller one, then the ratio is (.5/2.5) which simplifies to 1/5 or 0.2.
226,000
Step-by-step explanation:
250,000-24,000=226,000
I belive its 18cm,,,,,,,,,,,,,,,,,,,,,,,,,,,,
