passpadi

2009

Mathematics

67e856d33cf20db308447ec1

A sector circle of radius 7.2cm which subtends an angle of 3000 at the centre is used to form a cone. What is the radius of the base of the cone?.

A.

6cm

B.

7cm

C.

8cm

D.

9cm

Correct Answer: 6cm

Explanation

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