‘Lines are parallel if they do not intersect’ is stated in the form of
a. an axiom
b. a definition
c. a postulate
d. a proof

Solution:

We know that

A postulate or an axiom is a statement which is taken to be true without any proof.

An evidence which establishes a theorem or fact is a proof.

A statement of the exact meaning of a word is a definition.

Here

‘Lines are parallel if they do not intersect’ is the definition of parallel lines as it conveys the meaning of parallel or what is meant by two lines are parallel.

Therefore, the statement is in the form of a definition.

✦ Try This: Solve the equation a - 6 = 4 and state which axiom do you use here.

☛ Also Check: NCERT Solutions for Class 9 Maths Chapter 5

NCERT Exemplar Class 9 Maths Exercise 5.1 Problem 22

‘Lines are parallel if they do not intersect’ is stated in the form of a. an axiom, b. a definition, d. a postulate, d. a proof

Summary:

Lines are parallel if they do not intersect’ is stated in the form of a definition

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