Answer:
THIS IS THE ANSWER LOL XDDDDDDD
A. a line
the shape wouldn't change. For example, a square reflected over the y-axis would still be a square
Step-by-step explanation:
Clarifying part 3, I must say that while finding the length of arc unit of measurement matters a lot. The radian system of measurement needs to be used it is because the formula to calculate arc has been designed in such a way that you will get the answer after using "radian" system only.
Answer: d
Step-by-step explanation: