4xy^2 is the gcf, as the largest thing 20x2y4 can divide by is 4xy2
If it cuts diagonally, then it should be triangular shaped, due to the pyramid's shape! Hope this helped! Brainliest is always appreciated!
7*360/6=420 , substract 360 = 60
15 divided by 8, you get 1 and 7/8
