Answer:
So he starts at underground level and goes even deeper so the answer is D
Step-by-step explanation:
Answer:
D: 768
Step-by-step explanation:
First, he divides a piece of paper in half.

He gets two pieces.
Next, he cuts each of the pieces into three parts.

Thirdly, he cuts each of the 6 pieces into 8 pieces.

Lastly, he divides each piece into 16 parts.

He has 768 pieces in the end. (D)
The answer is 135 degrees as 45 add 135 equals 180 degrees as it's a straight line