Known a cube ABCD.EFGH with the side length 3p. A point P,Q,

Last updated: 7/5/2022

Known a cube ABCD.EFGH with the side length 3p. A point P,Q, and R on FB,FG,and AD so that BP=GQ=DR=p. Let beta is a slice through P,Q, and R. Find the ratio of the area that result of the proyeksion beta on ABCD with area ABCD A. 14/18 3. 9/18 C. 13/18 D. 11/18