The scale factor is 4 and for the perimeter just use the distance formula
If this is Textbook work- use SLADER (the app or the website)
8.545 rounded to the nearest hundredth is 8.55. I think so because the number in the hundredth place is 4, the number on the right of it is 5. 5 is equal to 5 so the 4 turns into 5
Answer:
You can use the side lengths to determine the angle by using trig. Sin, cosins, and tangent.
This statement is true (perpendicular means they form right angles when they intersect).