Question

2
The area of an equilateral triangle 163cm2.Find it's perimeter ​

Answer 1

area =163cm

perimeter =3a

3×area

3×163

326 is the answer

Answer 2

$area = 16 \sqrt{3} {cm}^{2}$

$perimeter = 3s$

Formula for Area to find side

$\frac{ \sqrt{3} }{4} {a}^{2} = 16 \sqrt{3}$

${a}^{2} = 16 \sqrt{3} \times \frac{4}{ \sqrt{3} }$

${a}^{2} = 16 \times 4$

${a}^{2} = 64$

$a = \sqrt{64}$

$a = 8$

Perimeter = 3s

= 3×8

=24

I hope this helps you

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