3. The area of the isosceles triangle is 5/4 root cm^2 , if the perimeter is 11 cm and the base is 5 cm. 3. The area of the isosceles triangle is 5/4 root cm^2 if the perimeter is 11 cm and the base is 5 cm. July 2, 2021 Category: Chapter 12 - Heron's Formula , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related