12.The circumference of a circle is 31.4 cm. Find the radius and the area of the circle ? (Take π = 3.14) 12.The circumference of a circle is 31.4 cm. Find the radius and the area of the circle ? (Take π = 3.14) October 9, 2020 Category: Chapter 11 - Perimeter and Area , Maths , NCERT Class 7 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related