siyake480
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an architect built a scale model of a shopping mall. On the model a circular fountain 20 inches tall and 22.5 inches in diameter. If the actual fountain is to be 8 feet tall what is it diameter

Respuesta :

avachriss
3.) calculate diameter/height = 20/22.5 = 0.889 
now multiply 8 feet by 0.889 = 7.11 feet diameter 
The diameter is the length of the line through the center that touches two points on the edge of the circle. A diameter is really just made up of two radii. 

Therefore, the diameter d of a circle is twice the radius r: 

 Formula : diameter/height = 20/22.5 = 0.889 

0.889 * 8 = 7.11 feet diameter 

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