A sector of a circle of radius 40cm subtends an angle of 26º at the centre of the circle.(Take pi =22/7).

      

A sector of a circle of radius 40cm subtends an angle of 26º at the centre of the circle.(Take pi =22/7).
(a) Calculate
(i) the area of the sector.
(ii) the length of the arc.
(b) The sector is folded to form an inverted right cone. Calculate
(i) the base radius of the cone.
(ii) To one decimal place, the vertical height of the cone.
(c) Calculate the capacity of the cone in litres.

  

Answers


sharon
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sharon kalunda answered the question on April 29, 2019 at 06:07


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