jhall952001
jhall952001 jhall952001
  • 15-07-2017
  • Mathematics
contestada

Could you tell me how to find the apothem in your answer?(picture)

Could you tell me how to find the apothem in your answerpicture class=

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bcalle
bcalle bcalle
  • 15-07-2017
With the information given, the area of the regular octagon is:
8 * (1/2)* 12 * 30 = 1440

The picture I attached shows you how to calculate the apothem.
You divide the octagon into 8 triangles then use the trig ratio Tan to find the height of the triangle(which is the apothem). The apothem should be 14.5 if the octagon has a side length of 12 but that is not the information that is given in the problem. 
Ver imagen bcalle
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