Question

Which of the following parts of a rectangular fish tank could be used to represent an undefined (point, line, or plane) term? i the top edge of the tank ii the lid of the tank iii the water in the tank iv the bottom left corner of the tank

Answer 1

i) The top edge of the tank - This represents a line, as it is a one-dimensional object with length but no width or depth.
ii) The lid of the tank - This represents a plane, as it is a two-dimensional object that extends indefinitely in all directions.
iii) The water in the tank - This represents a plane, as it is a two-dimensional surface that fills the tank.
iv) The bottom left corner of the tank - This represents a point, as it is a zero-dimensional location in space