Question

the area of an equilateral triangle is (16x1.73)cm2 .Find the length of each side of the triangle.

Answer 1

area of equilateral triangle =
$\sqrt{3} \div 4 \times a {}^{2}$

$a {}^{2} = 16 \times 1.73 \times 4 \div 1.73$
a=
$a = \sqrt{16 \times 4}$
a= 8 cm

Answer 2

Given : area of an equilateral triangle is 16×1.73
Then , we know that
Area = square root of 3÷4×a×a
So , 16×1.73=1.73 /4×(a×a )
=16×4=(a×a)
=64=a×a
=a=8
Thus the length is 8 cm