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# A cone was developed from a sector of a circle with radius10cm and an angle at the cent...

### Question

A cone was developed from a sector of a circle with radius10cm and an angle at the centre of 108°. What is the radius of the cone?

A) 9.0cm

B) 8.5cm

C) 7.2cm

D) 4.3cm

E) 3.0cm