the radius of the circle is 9.
since s = rθ, the arc length of the base of the cone is
s = 9 * 288/360 * 2π
so, the radius of the base of the cone is s/2π = 9 * 288/360
A cone is formed by bending a sector of a circle having an angle of 288 degrees.find the radius of the base of the cone if the diameter of the circle is 18cm
2 answers
Find the surface area of a cone made by bending a sector of radius 25cm and cetral angle 288°