The area of an equilateral triangle with a side of 12 cm is:
Answer:
cm2
- As per Heron's formula, the area of a triangle with sides a, b and c and perimeter 2S =
- Here, a = b = c = 12 and S =
× a = 18.3 2 - Therefore, Area =
⇒ Area =
⇒ Area = cm2