Lines and Angles Class 6 Assertion Reasoning Questions
hardLines and Angles Class 6 Assertion and Reason Questions
Lines and Angles Class 6 Assertion and Reason Questions
In each of the following questions 1 to 5, two statements have been given. One has been labelled as Assertion (A) and the other has been labelled as Reason (R). You have to choose the correct option from the four given options.
(a) Both statements (A) and (R) are correct, and (R) is the correct explanation of (A).
(b) Both statements (A) and (R) are correct, but (R) is not the correct explanation of (A).
(c) (A) is correct, but (R) is not correct.
(d) (R) is correct, but (A) is not correct.
Question 1.
(A): [latex]\overline{\mathrm{AB}}[/latex] and [latex]\overline{\mathrm{BA}}[/latex] are names of the same line segment.
(R): Both [latex]\overline{\mathrm{AB}}[/latex] and [latex]\overline{\mathrm{BA}}[/latex] have the same two end-points A and B.
Answer:
(a) Both statements (A) and (R) are correct, and (R) is the correct explanation of (A).
Question 2.
(A): Rays [latex]\overrightarrow{\mathrm{AB}}[/latex] and [latex]\overrightarrow{\mathrm{BA}}[/latex] are not two different rays.
(R): Starting point of [latex]\overrightarrow{\mathrm{AB}}[/latex] is A and that of [latex]\overrightarrow{\mathrm{BA}}[/latex] is B.
Answer:
(d) (R) is correct, but (A) is not correct.
Question 3.
(A): A right angle is half of a straight angle.
(R): A straight angle is half of a revolution.
Answer:
(b) Both statements (A) and (R) are correct, but (R) is not the correct explanation of (A).
Question 4.
(A): In the given figure, ∠ABD is a right angle.
(R): ∠DBC = ∠ABC - ∠ABD = 90°.
Answer:
(c) (A) is correct, but (R) is not correct.
Question 5.
(A): In the given figure, two angles are acute, and one angle is obtuse.
(R): ∠A is greater than 90° but less than 180°, ∠B is greater than 0° and less than 90°, and ∠C is greater than 0° and less than 90°.
Answer:
(a) Both statements (A) and (R) are correct, and (R) is the correct explanation of (A).