RS Aggarwal & V Aggarwal - Mathematics

Book: RS Aggarwal & V Aggarwal - Mathematics

Chapter: 7. Areas

Subject: Mathematics - Class 9th

Q. No. 20 of CCE Questions

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20

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


Assertion (A)



Reason (R)



Area of an equilateral triangle having each side equal to 4cm is sq cm.



Area of an equilateral triangle having each side a is a2 sq units.


In the given question, we have:

Area of equilateral triangle =


=


=


= cm2


Also, Area of an equilateral triangle having each side a =


Both Assertion and Reason are true


Hence, option (a) is correct

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