This a conference of a circle is 36 pi inches. What is the radius of the circle?
1 Answer
May 7, 2018
Explanation:
#"the circumference of a circle is calculated using the formula"#
#•color(white)(x)"circumference (C) "=2pir#
#"here C is given as "36pi#
#"equating the 2 gives"#
#2pir=36pi#
#"divide both sides by "2pi#
#(cancel(2pi) r)/cancel(2pi)=(36pi)/(2pi)#
#rArr" radius r "=18" inches"#