Help with this, giving 20 points!
Determine what shape is formed for the given coordinates for ABCD, and then find the perimeter and area as an exact value and rounded to the nearest tenth.
A (−18, 0), B (−10, −15), C (20, 1), D (−3, 8)
The shape is a .
_____
The perimeter is , or approximately
____
The area is , or approximately
_____
