An Arc of a circle of radius 40cm subtends an angle of 1260 at the centre of the circle.

      

An Arc of a circle of radius 40cm subtends an angle of 1260 at the centre of the circle.
(a) Calculate:
(i) the length of the arc.
(ii) the area of the sector.
(b) The sector is folded to form a cone.
Calculate:
(i) the radius of the base of the cone.
(ii) the height of the cone.
(iii) the capacity of the cone in litres.

  

Answers


sharon
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sharon kalunda answered the question on April 25, 2019 at 06:42


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