Triangle Area Calculator
Base × Height
Three Sides (Heron's)
Two Sides + Angle (SAS)
Formula
A = ½bh | Heron: A = √(s(s-a)(s-b)(s-c)) | SAS: A = ½ab·sin(C)
Frequently Asked Questions
How do I find the area of a triangle?
Method 1: Area = ½ × base × height. Method 2 (Heron's): s = (a+b+c)/2, Area = √(s(s-a)(s-b)(s-c)). Method 3 (SAS): Area = ½ab×sin(C).
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