DRAFTING The design for a park is drawn on a coordinate graph. The perimeter of the park is modeled by the equation ( x - 3 ) 2 + ( y - 7 ) 2 = 225 . Each unit on the graph represents 10 feet. What is the center and radius of the actual park?
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Geometry - Circle
The perimeter of the park is modelled by
So the centre of the circle is at and its radius is units.
Given, each unit on the graph represents feet.
So,
and units feet
Answer: The center and radius of the actual park are at and is feet respectively.
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