# Circle

The circle touches two parallel lines p and q, and its center lies on line a, which is the secant of lines p and q.

Write the equation of the circle and determine the coordinates of the center and radius.

p: x-10 = 0

q: -x-19 = 0

a: 9x-4y+5 = 0

Write the equation of the circle and determine the coordinates of the center and radius.

p: x-10 = 0

q: -x-19 = 0

a: 9x-4y+5 = 0

**Correct result:**Tips to related online calculators

For Basic calculations in analytic geometry is a helpful line slope calculator. From coordinates of two points in the plane it calculate slope, normal and parametric line equation(s), slope, directional angle, direction vector, the length of segment, intersections the coordinate axes etc.

Looking for help with calculating roots of a quadratic equation?

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

Pythagorean theorem is the base for the right triangle calculator.

Looking for help with calculating roots of a quadratic equation?

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

Pythagorean theorem is the base for the right triangle calculator.

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