Answer:
100%
Step-by-step explanation:
100% of 20 is 20
half of 40 is 20
#1 is A & B (points connect)
#2 is A & B & D (because they all touch)
#3 is Plane DFG & Plane GFA
#4 is A & B & D & F
2 times 18 equals 36... Did I do a good job answering your question?? If so, brainliest, please. :)