Question

find the area of equilateral triangle whose sides are 3 metre​

Answer 1

Answer:

$\sqrt{3 \:} a^{2} \div 4 \\ \\ = \sqrt{3} \times 9 \div 4 \\ \\ =9 \sqrt{3} \div 4 \\ \\ = 3.87$

Step-by-step explanation:

hope it helped

formula of equilateral triangle is √3 a2/4