RS Aggarwal & V Aggarwal - Mathematics

Book: RS Aggarwal & V Aggarwal - Mathematics

Chapter: 7. Areas

Subject: Mathematics - Class 9th

Q. No. 4 of Formative Assessment (Unit Test)

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4

Find the area of an equilateral triangle having each side 6cm.

Let us assume each side of the equilateral triangle be a

It is given that,


Side of equilateral triangle = 6 cm


We know that,


Area of equilateral triangle = a2


=


=


=


= 9 cm2


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