Answer: 3.125
Step-by-step explanation:
Given
Triangle is dilated by a factor of
i.e. each side multiplies to 0.25.
Side E'F' becomes 0.25 times the original length

Let point C has coordinates
Consider vectors

Since the ratio AB to BC is 1:4, you have that

Find
and 

Answer: C(4,-6)
Answer:
I believe it is 60 degrees
Step-by-step explanation:
90 degrees plus 30 is 120 then plus x will be 180 so 180 - 120 is 60
Answer
40
Explanation
It’s 40 because if you do 20/3 x 2/2 you will get 40/6