Find the radius of a circle whose circumference is equal to the sum of the circumference of two circles of radii 15 cm and 18 cm. Find the radius of a circle whose circumference is equal to the sum of the circumference of two circles of radii 15 cm and 18 cm. November 25, 2020 Category: Chapter 12 - Areas Related to Circles , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related