# How to find the radius of a circle given a center (-5: 2) that touches the y-axis?

May 30, 2021 | education

| The radius of a circle centered at the point (-5; 2) can be defined as the distance from the center to the point where the circle touches the ordinate axis. The required distance is perpendicular to the OY axis and is equal to the absolute value of the abscissa of the center of the circle. Thus, the radius of this circle is 5.

Answer: R = 5.

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