It can be defined as a part of a line that has a fixed starting point but no end point. It can extend infinitely in one direction.

It is formed when two distinct points are connected with a straight line.

It is a figure with no length and width or simply with no dimension.

It is a flat surface that extends infinitely in all directions.

It is a figure formed by two rays meeting at a common endpoint.

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Which of the mathematical system is need to be proven before it can be accepted as true statement?

8. The terms of mathematical system that can be defined using undefined terms.

9. ______are the statements assumed to be true and no need for further proof. Postulates or axioms are statements that may be used to justify the statements in a proof.