Asked by Anonymous
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
Answers
Answered by
Steve
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
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
Answered by
Anonymous
Find the surface area of a cone made by bending a sector of radius 25cm and cetral angle 288°
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