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The figure below shows a model of a pillar to be constructed at the Canterbury. The model consists of a circular base of diameter and a...

      

The figure below shows a model of a pillar to be constructed at the Canterbury. The model consists of a circular base of
diameter and a uniform pentagon stand of side 6cm and height 20cm.
5220191123.png
(a) Calculate the cross-sectional area of the pentagon to 2 decimal places.
(b) Calculate the total volume of the model to 2 dp.
(c) If the height of the real pillar is 52m and the constructor uses two bags of cement for every 500m3 of the
construction, calculate the least number of bags of cement required.

  

Answers


sharon
5220191125.png
sharon kalunda answered the question on May 2, 2019 at 08:25


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