Question

what is the area of equilateral triangle whose one edge is 12cm?​

Answer 1

3cm

Step-by-step explanation:

Side = 12cm

formula for area of equilateral triangle

$\sqrt{3} \div 4 \times side$

solution:-

Answer 2

Answer:

36√3

Step-by-step explanation:

area of equilateral ∆ = √3/4 ×(side)²

so area = √3/4 × (12)²

= √3/4 × 144

= √3 × 36. {since 144÷4=36}

= 36√3. or 62.353. (√3 = 1.732)