Triangle trigonometry (SAS)
Area and third side from two sides and included angle.
Calculator
How to use
Angle
Degrees for included angle.
Educational use only. For assessments, show reasoning and check boundary cases.
Area and third side from two sides and included angle.
Degrees for included angle.
Educational use only. For assessments, show reasoning and check boundary cases.
Model / formula
SAS: sides a, b and included angle C (degrees)
Result
Area = ½ab sin C = 15.155445 c (third side, law of cos) ≈ 6.244998