Question

If the area of an equilateral triangle is 21.2 sq.cm ,find the length of each side

Answer 1

Answer:

Step-by-step explanation:

Let the side be x

Area=21.2sq.cm

Area of equilateral triangle=1.732/4(x)

21.2=1.732/4(x)

21.2/1.732(4)=x

48.96=x