Question

area of equilateral triangle whose perimeter is 6.6 CM ​

Answer 1

Answer:

perimeter of equilateral triangle = 3 × side

6.6 = 3 × side

side = 6.6 ÷3 = 2.2 cm

area of equilateral = √3 / 2 × side = √3/ 2 × 2.2 = 1.1 √3 sq cm

Answer 2

Answer:

area is 18.86