Two similar pyramids have base areas of 12. 2 cm2 and 16 cm2. The surface area of the larger pyramid is 56 cm2. What is the surface area of the smaller pyramid? 40. 1 cm2 42. 7 cm2 52. 2 cm2 59. 8 cm2.

answer:

i havent taken the psat, but i have the sat, make sure to bring some snacks, because youre in there forever, 2 sharp number two pencils, an sat approved calculator, and maybe a jacket.   your phone and any books will be taken up, so don't try to bring them(but they will be given back at the end of the testing).   good luck!   i hope you do well!