A radio station sends out waves in all directions from a tower at the center of the circle of broadcast range.
If the broadcast range has a diameter of 196 miles, determine how large an area is reached.
If the broadcast range increases to a diameter of 210 miles, what is the area reached?
If the broadcast range decreases to a diameter of 140 miles, what is the area reached?
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Problem: A radio station sends out waves in all directions from a tower at the center of the circle of ...
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