![]() Input 3 triangle sides and this calculates all 3 heights all 3 angles and the area. Input 3 triangle sides, 2 sides with the included angle or 2 angles with the included side and this calculates all the other triangle information. Input 3 triangle side lengths and this calculates if the sides will form an equilateral, isosceles, acute, right or obtuse triangle. (acute, right, obtuse) and by sides (equilateral, isosceles, scalene).Īlso has triangle area formulas and a triangle area calculator.Ī tutorial discussing the incenter, circumcenter, centroid, orthocenter and the Euler line.Ĭalculates if 3 sides will form a triangle or not. Explains and calculates how to determine a road grade, the pitch of a roof, etc.Ī chart showing triangles classified by angles ![]() Knowing the circle's center and radius OR ![]() Tutorial: Determining a circle's equation Input 3 points and it calculates a circle's center, radius and equation. If you know two, this calculates the other five as well as the Sector Area, Segment Area and Circle Area.ĪRC to CHORD RATIOS a listing from 1° to 180°Įxplains equations of the type x² + y² = r² This also explains how to calculate angles that are located outside of a circle formed by 2 tangents, 2 secants or a tangent and a secant.Ĭentral Angle Calculator Calculates a Circle's Central Angle, Radius or Arc LengthĬIRCLE Calculator for Radius, Central Angle, Chord, Segment Height, Apothem, Arc Length and Chord Length. Angle Conversion Calculator for converting seconds, minutes, degrees, mils, grads, radians and revs.Īngles In Circles How to calculate central angles, inscribed angles and angles formed by radii, chords, tangents and secants.
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