Find the radius of the circle centered at point A (-10; -19), tangent to the abscissa axis.
| February 2, 2021 | education
The distance between some point and the abscissa axis is equal to the modulus of its ordinate.
Since the circle touches the abscissa axis and has a center at point A, its radius is equal to the distance from point A to the abscissa axis.
Consequently, the radius of this circle | – 19 | = 19.
Answer: the radius of the circle is 19.
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