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Triangle Calculator
Calculate triangle area, angles, perimeter using Heron's formula.
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Type: Scalene, Right
Perimeter
12.00
Area
6.00
∠A = 36.87°
∠B = 53.13°
∠C = 90.00°
◆ How it works
Triangle Calculator — 3 simple steps
01
Enter 3 sides
a, b, c
02
See angles
Using law of cosines
03
Get area
Heron formula