anonymous
  • anonymous
An arch over a doorway is 2feet high and 7feer wide.Find the radius of circle containing the arch.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
I would assume if it is 7 feet side then the radius is 3.5 ft.
anonymous
  • anonymous
thank
anonymous
  • anonymous
to find the radius, use this pythagoras theorem: \[(r-2)^2+3.5^2=r^2\] the arc is the part of a bigger circle.

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