import type { Coord } from "@khanacademy/perseus-core";
export declare function convertDegreesToRadians(degrees: number): number;
export declare function convertRadiansToDegrees(radians: number): number;
export declare function calculateAngleInDegrees([x, y]: Coord): number;
export declare function polar(r: number | Coord, th: number): Coord;
export declare const getAngleFromVertex: (point: Coord, vertex: Coord) => number;
export declare const getClockwiseAngle: (coords: [Coord, Coord, Coord], allowReflexAngles?: boolean) => number;