4. Find the area of a triangle two sides of which are 18 cm and 10 cm and the perimeter is 42cm. 4. Find the area of a triangle two sides of which are 18 cm and 10 cm and the perimeter is 42cm. October 17, 2020 Category: Chapter 12 - Heron's Formula , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
