A sector of central angle 60° is cut off from a circle of radius 24 cm to form a cone. The base radius of the cone isA3 cmB4 cmC6 cmD8 cmAnswer: B. 4 cm Read Explanation: 2∏r = 60 x 24 l = 𝚹r = 60 x 24 r = 60 x 24 / 2 x 180 = 4 cmRead more in App