# Equation of circle

find an equation of the circle with indicated properties:

a. center at (-3,5), diameter 20.

b. center at origin and diameter 16.

a. center at (-3,5), diameter 20.

b. center at origin and diameter 16.

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Line slope calculator is helpful for basic calculations in analytic geometry. The coordinates of two points in the plane calculate slope, normal and parametric line equation(s), slope, directional angle, direction vector, the length of the segment, intersections of the coordinate axes, etc.

Pythagorean theorem is the base for the right triangle calculator.

Pythagorean theorem is the base for the right triangle calculator.

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