A b c can it is not a general a rigrid motion
Answer:
Subtraction is the Addition of the opposite of the subtrahend to the minuend.
Step-by-step explanation:
PLS GIVE BRAINLIEST

P=Perimeter
L=Length
W=Width
Hints given are P= 76, L=20 so 2L=40
76=40+2w
76-40=2w
36=2w
18=w