Triangle Calculator
Our free triangle calculator helps you solve any triangle by entering the known sides and angles. Calculate missing sides, angles, area, perimeter, and determine triangle types using various methods including SSS, SAS, ASA, and special right triangle calculations.
Triangle Visualization
Detailed Measurements
Side a:
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Side b:
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Side c:
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Angle A:
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Angle B:
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Angle C:
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Height (to side a):
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Height (to side b):
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Height (to side c):
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Semi-perimeter:
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Triangle Properties
Shape Classification
Classification will appear here.
Special Properties
Special properties will appear here.
Inscribed & Circumscribed Circles
Circle information will appear here.
Advanced Measurements
Medians
From A:
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From B:
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From C:
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Angle Bisectors
From A:
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From B:
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From C:
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Circle Properties
Inscribed circle radius:
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Circumscribed circle radius:
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Triangle Centers
Coordinates relative to vertices placed at:
A(0,0), B(c,0), C(b·cos(A), b·sin(A))
Centroid:
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Orthocenter:
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