Question

The area of an equilateral triangle is numerically equal to its perimeter . Find its perimeter correct to 2 decimal place .<br />

Answer 1

lHello friend!

As we know area of equilateral triangle is.a2.

Therefore, perimeter of triangle=3a

So,   =3a

On calculating,

Root 3 a square=12a

Therefore, a=12/root3.

So,4 root3.

So the answer is=>6.84…upto two places.

Hope it helps !

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Thank you!o friend!