Can someone help me with this??

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. the day before , he drank 1 small bottle and 1 large bottle, for the total of 858 grams. how many grams does each bottle hold?

Which statements are true about additional information for proving that the triangles are congruent check all that apply