Question

the perimeter of an equilateral triangle is 16cm its area is​

Answer 1

Answer:

Area=64√3/9 cm^2

Step-by-step explanation:

Let sides be a cm

Perimeter=a+a+a

=>16=3a

=>3a=16

=>a=16/3 cm

Area of an equilateral∆=√3/4×(side)^2

=√3/4×16/3×16/3

=64√3/9 cm^2