Question

If area of an equilateral triangle is
$36\sqrt{2}$
cm², find its perimeter. ​

Answer 1

Step-by-step explanation:

ANSWER

Area of an equilateral triangle with length of side a=

4

3

a

2

Given, area of the equilateral triangle =36

3

cm

2

4

3

a

2

=36

3

cm

2

⇒a

2

=36×4=144

a=12cm

Perimeter of the triangle =

Sum of all sides =a+a+a=3a=3×12=36cm

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