What is the ratio of the base radius and slant height of a cone made by rolling up a sector of central angle 60° ?
A1:3
B2:3
C1:6
D5:6
A1:3
B2:3
C1:6
D5:6
Related Questions:
If the denominator of a fraction is multiplied by 2 and the numerator is increased by 2, the fraction becomes . If instead, the numerator is multiplied by 2 and the denominator is increased by 2, it becomes What is the sum of the numerator and the denominator of the original fraction (in the lowest form) ?