Do I have to do all of them?
Answer:
2x4 8.2
Step-by-step explanation:
Answer:
x = 800
Step-by-step explanation:
0.0525 × x = 42
x = 800
Answer:
It might be positive I think?
Use the distance formula to find the length of the sides, then add them up to find the perimeter.

For points in the form of (x1, y1), (x2, y2).
(-1, 2), (3, 1)




(3, 1), (7, 2)




(7, 2), (-1, 2)




So the perimeter will be: