Q20 of 66 Page 106

The question consists of two statements, namely, Assertion (A) and Reason (R). Please select the correct answer.











Assertion (A)



Reason (R)



A circle is not a rectilinear figure.



A figure formed by straight lines only is called a rectilinear figure.


A rectilinear figure is a figure all of whose edges meet at right angles.


So, Assertion& Reason both are true.

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17

Let us define a statement as the sentence which can be judged to be true or false.

Which of the following is not a statement?


(A) 3+5=7.


(B Kunal is a tall boy.


(C)The sum of the angles of a triangle is 90°.


(D)The angles opposite to equal sides of a triangle are equal.

 18

State Euclid’s axioms.

 19

Match the following columns.











Column I



Column II



(a)How many lines can be drawn to pass through one given point?


(b) How many lines can be drawn to pass through two given points?


(c) How many end-points does aline have?


(d) How many end-points does a line segment have?



(p) One only


(q) Infinitely many


(r) Two only


(s) None



The correct answers are:

 20

The question consists of two statements, namely, Assertion (A) and Reason (R). Please select the correct answer.











Assertion (A)



Reason (R)



All right angles are equal to one another.



A unique line passes through a single point.