The perimeter of a figure is the total distance around the edge of the figure. The area of a flat, or plane figure is the number of unit squares that can be contained within it. The unit square is usually some standard unit, like a square foot or a square inch. I don't really know the rest but I did the first two lol
12 times 34 is 408. Hope that helped.
Rounding the answer is 100.
Answer:
the answer is A. 99 degrees because 81 + 18 = 99