Question

4. If the area of the equilateral triangle is 25/3 square cm, then find its perimeter ​

Answer 1

Answer:

Step-by-step explanation:

√3/4×(side)^2=25√3

side^2/4=25

side^2=25×4

side=√25×4=5×2=10cm

So, perimeter=3×10 cm=30cm