Question

The area of an equilateral triangle is 16 root 3 m 2 . Its perimeter (in metres) is: options:- a) 12 b) 48 c) 24 d) 306

Answer 1

area = (a²√3)/4
⇒16√3 = (a²√3)/4
⇒a² = 64
⇒a = 8 cm
perimeter = 8×3 = 24 cm

c) 24 cm