"A Radio Signal Can Transmit Up To A Distance Of 3 Km.If The Radio Signals Origin Is At A Point Whose Coordinates Are (4, 7) ,What Is The Equation Of
A radio signal can transmit up to a distance of 3 km.If the radio signals origin is at a point whose coordinates are (4, 7) ,what is the equation of the circle that defines the boundary to which he messages can be transmitted ?
Circle equation:r = 3km
h,k = 4,7
Substitute
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