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The circumference of the base of a right...

The circumference of the base of a right circular cone is 44cm and its height is 24 cm. The curved surface area (in `cm^2`) of the cone is :
एक गोलाकार शंकु के आधार की परिधि 44 cm है और इसकी ऊंचाई 24 cm है। शंकु की घुमावदार सतह क्षेत्र (`cm^2` में) है

A

572

B

550

C

528

D

440

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