A sector is formed by opening out a cone of base radius 8 cm and heigh 6 cm. Then the radius of the sector is (in cm).
A. 4
B. 8
C. 10
D. 6
Answer: Option C
Solution (By Examveda Team)
Slant height of cone $$ = \sqrt {{8^2} + {6^2}} = 10{\text{ cm}}$$Slant height of cone = Radius of sector = 10 cm
This Question Belongs to Arithmetic Ability >> Mensuration 3D
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