4. The area of the equilateral triangle is 20 root 3 cm^2 whose each side is 8 cm. 4. The area of the equilateral triangle is 20 root 3 cm^2 whose each side is 8 cm. July 2, 2021 Category: Chapter 12 - Heron's Formula , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related