A perfume bottle is in the shape of a triangular pyramid the volume is 55 cubic centimeters the height of the bottle is 22 centimeters what is the area of the base of the bottle in square centimeters

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?