) Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. The curved surface area is:
A. 150 sq.cm
B. 165 sq.cm
C. 177 sq.cm
D. 180 sq.cm
Answer:B
) Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. The curved surface area is:
A. 150 sq.cm B. 165 sq.cm C. 177 sq.cm D. 180 sq.cm