# A circle of radius x has an equilateral triangle in it of side 9cm.Find the radius ...???

2
by rahulvinay26

Log in to add a comment

by rahulvinay26

Log in to add a comment

s=27/2

area =sqrt(1230.18)= 35.07 {area = Sqrt(s(s-a)(s-b)(s-c)}

abc/4(area) = R

R=x=729/4(35.07)= 5.19 cm approx