1.

From a circular sheet of paper having radius 50 cm, a sector of 40% area is removed in the shape of an arc section. If the remaining part is used to make a conical surface, then the ratio of the radius to height of the cone is

A. \(\frac{4}{3}\)
B. \(\frac{5}{4}\)
C. \(\frac{3}{4}\)
D. \(\frac{7}{8}\)
Answer» D. \(\frac{7}{8}\)


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