Availability, in the context of a computer system, refers to the ability of a user to access information or resources in a specified location and in the correct format.
Defined, the triangle proportionality theorem states that if you draw a line parallel to one of the sides of a triangle that also crosses the other two sides, then that line will divide the two sides in a proportional way.
1 States the given information but is unable to go further. 2  States the Triangle Proportionality Theorem as a justification of the statement to be proven. 3  Writes several statements that may or may not be relevant or make sense. 4  Establishes that but goes no further.